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Posted to ddlutils-dev@db.apache.org by to...@apache.org on 2007/12/10 09:21:39 UTC

svn commit: r602807 [15/15] - in /db/ddlutils/trunk: ./ src/java/org/apache/ddlutils/ src/java/org/apache/ddlutils/alteration/ src/java/org/apache/ddlutils/model/ src/java/org/apache/ddlutils/platform/ src/java/org/apache/ddlutils/platform/axion/ src/j...

Added: db/ddlutils/trunk/src/test/org/apache/ddlutils/io/TestInsertColumn.java
URL: http://svn.apache.org/viewvc/db/ddlutils/trunk/src/test/org/apache/ddlutils/io/TestInsertColumn.java?rev=602807&view=auto
==============================================================================
--- db/ddlutils/trunk/src/test/org/apache/ddlutils/io/TestInsertColumn.java (added)
+++ db/ddlutils/trunk/src/test/org/apache/ddlutils/io/TestInsertColumn.java Mon Dec 10 00:20:47 2007
@@ -0,0 +1,2670 @@
+package org.apache.ddlutils.io;
+
+/*
+ * 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.
+ */
+
+import java.math.BigDecimal;
+import java.util.List;
+
+import junit.framework.Test;
+
+import org.apache.commons.beanutils.DynaBean;
+import org.apache.ddlutils.platform.sybase.SybasePlatform;
+
+/**
+ * Tests database alterations that insert columns.
+ * 
+ * @version $Revision: $
+ */
+public class TestInsertColumn extends RoundtripTestBase
+{
+    /**
+     * Parameterized test case pattern.
+     * 
+     * @return The tests
+     */
+    public static Test suite() throws Exception
+    {
+        return getTests(TestInsertColumn.class);
+    }
+
+    /**
+     * Tests the insertion of a column.
+     */
+    public void testInsertColumn()
+    {
+        final String model1Xml = 
+            "<?xml version='1.0' encoding='ISO-8859-1'?>\n"+
+            "<database name='roundtriptest'>\n"+
+            "  <table name='roundtrip'>\n"+
+            "    <column name='pk' type='INTEGER' primaryKey='true' required='true'/>\n"+
+            "  </table>\n"+
+            "</database>";
+        final String model2Xml = 
+            "<?xml version='1.0' encoding='ISO-8859-1'?>\n"+
+            "<database name='roundtriptest'>\n"+
+            "  <table name='roundtrip'>\n"+
+            "    <column name='avalue' type='VARCHAR' size='32'/>\n"+
+            "    <column name='pk' type='INTEGER' primaryKey='true' required='true'/>\n"+
+            "  </table>\n"+
+            "</database>";
+
+        createDatabase(model1Xml);
+
+        insertRow("roundtrip", new Object[] { new Integer(1) });
+
+    	alterDatabase(model2Xml);
+
+        assertEquals(getAdjustedModel(),
+                     readModelFromDatabase("roundtriptest"));
+
+        List beans = getRows("roundtrip");
+
+        assertEquals((Object)null, beans.get(0), "avalue");
+    }
+
+    /**
+     * Tests the insertion of an auto-increment column.
+     */
+    public void testInsertAutoIncrementColumn()
+    {
+    	if (!getPlatformInfo().isNonPKIdentityColumnsSupported())
+    	{
+    		return;
+    	}
+
+        // we need special catering for Sybase which does not support identity for INTEGER columns
+        boolean      isSybase  = SybasePlatform.DATABASENAME.equals(getPlatform().getName());
+        final String model1Xml = 
+            "<?xml version='1.0' encoding='ISO-8859-1'?>\n"+
+            "<database name='roundtriptest'>\n"+
+            "  <table name='roundtrip'>\n"+
+            "    <column name='pk' type='INTEGER' primaryKey='true' required='true'/>\n"+
+            "  </table>\n"+
+            "</database>";
+        final String model2Xml;
+
+        if (isSybase)
+        {
+            model2Xml = "<?xml version='1.0' encoding='ISO-8859-1'?>\n"+
+                        "<database name='roundtriptest'>\n"+
+                        "  <table name='roundtrip'>\n"+
+                        "    <column name='avalue' type='NUMERIC' size='12,0' autoIncrement='true'/>\n"+
+                        "    <column name='pk' type='INTEGER' primaryKey='true' required='true'/>\n"+
+                        "  </table>\n"+
+                        "</database>";
+        }
+        else
+        {
+            model2Xml = "<?xml version='1.0' encoding='ISO-8859-1'?>\n"+
+                        "<database name='roundtriptest'>\n"+
+                        "  <table name='roundtrip'>\n"+
+                        "    <column name='avalue' type='INTEGER' autoIncrement='true'/>\n"+
+                        "    <column name='pk' type='INTEGER' primaryKey='true' required='true'/>\n"+
+                        "  </table>\n"+
+                        "</database>";
+        }
+
+        createDatabase(model1Xml);
+
+        insertRow("roundtrip", new Object[] { new Integer(1) });
+
+    	alterDatabase(model2Xml);
+
+        assertEquals(getAdjustedModel(),
+                     readModelFromDatabase("roundtriptest"));
+
+        List beans = getRows("roundtrip");
+
+        if (isSybase)
+        {
+            assertEquals(new BigDecimal(1), beans.get(0), "avalue");
+        }
+        else
+        {
+            Object avalue = ((DynaBean)beans.get(0)).get("avalue");
+
+            assertTrue((avalue == null) || new Integer(1).equals(avalue));
+        }
+    }
+
+    /**
+     * Tests the insertion of a column that is set to NOT NULL.
+     */
+    public void testInsertRequiredColumn()
+    {
+        final String model1Xml = 
+            "<?xml version='1.0' encoding='ISO-8859-1'?>\n"+
+            "<database name='roundtriptest'>\n"+
+            "  <table name='roundtrip'>\n"+
+            "    <column name='pk' type='INTEGER' primaryKey='true' required='true'/>\n"+
+            "  </table>\n"+
+            "</database>";
+        final String model2Xml = 
+            "<?xml version='1.0' encoding='ISO-8859-1'?>\n"+
+            "<database name='roundtriptest'>\n"+
+            "  <table name='roundtrip'>\n"+
+            "    <column name='avalue' type='NUMERIC' size='12,0' default='2' required='true'/>\n"+
+            "    <column name='pk' type='INTEGER' primaryKey='true' required='true'/>\n"+
+            "  </table>\n"+
+            "</database>";
+
+        createDatabase(model1Xml);
+
+        insertRow("roundtrip", new Object[] { new Integer(1) });
+
+        alterDatabase(model2Xml);
+
+        assertEquals(getAdjustedModel(),
+                     readModelFromDatabase("roundtriptest"));
+
+        List beans = getRows("roundtrip");
+
+        assertEquals(new BigDecimal(2), beans.get(0), "avalue");
+    }
+
+    /**
+     * Tests the insert of a column with a default value. Note that depending
+     * on whether the database supports this via a statement, this test may fail.
+     * For instance, Sql Server has a statement for this which means that the
+     * existing value in column avalue won't be changed and thus the test fails.
+     */
+    public void testInsertColumnWithDefault()
+    {
+        final String model1Xml = 
+            "<?xml version='1.0' encoding='ISO-8859-1'?>\n"+
+            "<database name='roundtriptest'>\n"+
+            "  <table name='roundtrip'>\n"+
+            "    <column name='pk' type='INTEGER' primaryKey='true' required='true'/>\n"+
+            "  </table>\n"+
+            "</database>";
+        final String model2Xml = 
+            "<?xml version='1.0' encoding='ISO-8859-1'?>\n"+
+            "<database name='roundtriptest'>\n"+
+            "  <table name='roundtrip'>\n"+
+            "    <column name='avalue' type='DOUBLE' default='2'/>\n"+
+            "    <column name='pk' type='INTEGER' primaryKey='true' required='true'/>\n"+
+            "  </table>\n"+
+            "</database>";
+
+        createDatabase(model1Xml);
+
+        insertRow("roundtrip", new Object[] { new Integer(1) });
+
+        alterDatabase(model2Xml);
+
+        assertEquals(getAdjustedModel(),
+                     readModelFromDatabase("roundtriptest"));
+
+        List beans = getRows("roundtrip");
+
+        // we cannot be sure whether the default algorithm is used (which will apply the
+        // default value even to existing columns with NULL in it) or the database supports
+        // it directly (in which case it might still be NULL)
+        Object avalue = ((DynaBean)beans.get(0)).get("avalue");
+
+        assertTrue((avalue == null) || new Double(2).equals(avalue));
+    }
+
+    /**
+     * Tests the insertion of a required auto-increment column.
+     */
+    public void testInsertRequiredAutoIncrementColumn()
+    {
+        if (!getPlatformInfo().isNonPKIdentityColumnsSupported())
+        {
+            return;
+        }
+
+        // we need special catering for Sybase which does not support identity for INTEGER columns
+        boolean      isSybase  = SybasePlatform.DATABASENAME.equals(getPlatform().getName());
+        final String model1Xml = 
+            "<?xml version='1.0' encoding='ISO-8859-1'?>\n"+
+            "<database name='roundtriptest'>\n"+
+            "  <table name='roundtrip'>\n"+
+            "    <column name='pk' type='INTEGER' primaryKey='true' required='true'/>\n"+
+            "  </table>\n"+
+            "</database>";
+        final String model2Xml;
+
+        if (isSybase)
+        {
+            model2Xml = "<?xml version='1.0' encoding='ISO-8859-1'?>\n"+
+                        "<database name='roundtriptest'>\n"+
+                        "  <table name='roundtrip'>\n"+
+                        "    <column name='avalue' type='NUMERIC' size='12,0' autoIncrement='true' required='true'/>\n"+
+                        "    <column name='pk' type='INTEGER' primaryKey='true' required='true'/>\n"+
+                        "  </table>\n"+
+                        "</database>";
+        }
+        else
+        {
+            model2Xml = "<?xml version='1.0' encoding='ISO-8859-1'?>\n"+
+                        "<database name='roundtriptest'>\n"+
+                        "  <table name='roundtrip'>\n"+
+                        "    <column name='avalue' type='INTEGER' autoIncrement='true' required='true'/>\n"+
+                        "    <column name='pk' type='INTEGER' primaryKey='true' required='true'/>\n"+
+                        "  </table>\n"+
+                        "</database>";
+        }
+
+        createDatabase(model1Xml);
+
+        insertRow("roundtrip", new Object[] { new Integer(1) });
+
+        alterDatabase(model2Xml);
+
+        assertEquals(getAdjustedModel(),
+                     readModelFromDatabase("roundtriptest"));
+
+        List beans = getRows("roundtrip");
+
+        if (isSybase)
+        {
+            assertEquals(new BigDecimal(1), beans.get(0), "avalue");
+        }
+        else
+        {
+            Object avalue = ((DynaBean)beans.get(0)).get("avalue");
+
+            assertTrue((avalue == null) || new Integer(1).equals(avalue));
+        }
+    }
+
+    /**
+     * Tests the insertion of a column with a default value. Note that depending
+     * on whether the database supports this via a statement, this test may fail.
+     * For instance, Sql Server has a statement for this which means that the
+     * existing value in column avalue won't be changed and thus the test fails.
+     */
+    public void testAddRequiredColumnWithDefault()
+    {
+        final String model1Xml = 
+            "<?xml version='1.0' encoding='ISO-8859-1'?>\n"+
+            "<database name='roundtriptest'>\n"+
+            "  <table name='roundtrip'>\n"+
+            "    <column name='pk' type='INTEGER' primaryKey='true' required='true'/>\n"+
+            "  </table>\n"+
+            "</database>";
+        final String model2Xml = 
+            "<?xml version='1.0' encoding='ISO-8859-1'?>\n"+
+            "<database name='roundtriptest'>\n"+
+            "  <table name='roundtrip'>\n"+
+            "    <column name='avalue' type='CHAR' size='8' default='text' required='true'/>\n"+
+            "    <column name='pk' type='INTEGER' primaryKey='true' required='true'/>\n"+
+            "  </table>\n"+
+            "</database>";
+
+        createDatabase(model1Xml);
+
+        insertRow("roundtrip", new Object[] { new Integer(1) });
+
+        alterDatabase(model2Xml);
+
+        assertEquals(getAdjustedModel(),
+                     readModelFromDatabase("roundtriptest"));
+
+        List beans = getRows("roundtrip");
+
+        // we cannot be sure whether the default algorithm is used (which will apply the
+        // default value even to existing columns with NULL in it) or the database supports
+        // it directly (in which case it might still be NULL)
+        Object avalue = ((DynaBean)beans.get(0)).get("avalue");
+
+        assertTrue((avalue == null) || "text    ".equals(avalue));
+    }
+
+    /**
+     * Tests the addition and insertion of several columns.
+     */
+    public void testAddAndInsertMultipleColumns()
+    {
+        final String model1Xml = 
+            "<?xml version='1.0' encoding='ISO-8859-1'?>\n"+
+            "<database name='roundtriptest'>\n"+
+            "  <table name='roundtrip'>\n"+
+            "    <column name='pk' type='INTEGER' primaryKey='true' required='true'/>\n"+
+            "    <column name='avalue3' type='DOUBLE' default='1.0'/>\n"+
+            "  </table>\n"+
+            "</database>";
+        final String model2Xml = 
+            "<?xml version='1.0' encoding='ISO-8859-1'?>\n"+
+            "<database name='roundtriptest'>\n"+
+            "  <table name='roundtrip'>\n"+
+            "    <column name='pk' type='INTEGER' primaryKey='true' required='true'/>\n"+
+            "    <column name='avalue1' type='VARCHAR' size='32'/>\n"+
+            "    <column name='avalue2' type='INTEGER'/>\n"+
+            "    <column name='avalue3' type='DOUBLE' default='1.0' required='true'/>\n"+
+            "    <column name='avalue4' type='VARCHAR' size='16'/>\n"+
+            "  </table>\n"+
+            "</database>";
+
+        createDatabase(model1Xml);
+
+        insertRow("roundtrip", new Object[] { new Integer(1), new Double(3.0) });
+
+        alterDatabase(model2Xml);
+
+        assertEquals(getAdjustedModel(),
+                     readModelFromDatabase("roundtriptest"));
+
+        List beans = getRows("roundtrip");
+
+        assertEquals((Object)null, beans.get(0), "avalue1");
+        assertEquals((Object)null, beans.get(0), "avalue2");
+        assertEquals(new Double(3.0), beans.get(0), "avalue3");
+        assertEquals((Object)null, beans.get(0), "avalue4");
+    }
+
+    /**
+     * Tests the insertion of a primary key and a column.
+     */
+    public void testInsertPKAndColumn()
+    {
+        final String model1Xml = 
+            "<?xml version='1.0' encoding='ISO-8859-1'?>\n"+
+            "<database name='roundtriptest'>\n"+
+            "  <table name='roundtrip'>\n"+
+            "    <column name='avalue' type='INTEGER'/>\n"+
+            "  </table>\n"+
+            "</database>";
+        final String model2Xml = 
+            "<?xml version='1.0' encoding='ISO-8859-1'?>\n"+
+            "<database name='roundtriptest'>\n"+
+            "  <table name='roundtrip'>\n"+
+            "    <column name='pk' type='VARCHAR' size='32' primaryKey='true' required='true'/>\n"+
+            "    <column name='avalue' type='INTEGER'/>\n"+
+            "  </table>\n"+
+            "</database>";
+
+        createDatabase(model1Xml);
+
+        insertRow("roundtrip", new Object[] { new Integer(1) });
+
+        alterDatabase(model2Xml);
+
+        assertEquals(getAdjustedModel(),
+                     readModelFromDatabase("roundtriptest"));
+
+        assertTrue(getRows("roundtrip").isEmpty());
+    }
+
+    /**
+     * Tests the insertion of a primary key and an autoincrement column.
+     */
+    public void testInsertPKAndAutoIncrementColumn()
+    {
+        // we need special catering for Sybase which does not support identity for INTEGER columns
+        boolean      isSybase  = SybasePlatform.DATABASENAME.equals(getPlatform().getName());
+        final String model1Xml = 
+            "<?xml version='1.0' encoding='ISO-8859-1'?>\n"+
+            "<database name='roundtriptest'>\n"+
+            "  <table name='roundtrip'>\n"+
+            "    <column name='avalue' type='INTEGER'/>\n"+
+            "  </table>\n"+
+            "</database>";
+        final String model2Xml;
+
+        if (isSybase)
+        {
+            model2Xml = "<?xml version='1.0' encoding='ISO-8859-1'?>\n"+
+                        "<database name='roundtriptest'>\n"+
+                        "  <table name='roundtrip'>\n"+
+                        "    <column name='pk' type='NUMERIC' size='12,0' primaryKey='true' required='true' autoIncrement='true'/>\n"+
+                        "    <column name='avalue' type='INTEGER'/>\n"+
+                        "  </table>\n"+
+                        "</database>";
+        }
+        else
+        {
+            model2Xml = "<?xml version='1.0' encoding='ISO-8859-1'?>\n"+
+                        "<database name='roundtriptest'>\n"+
+                        "  <table name='roundtrip'>\n"+
+                        "    <column name='pk' type='INTEGER' primaryKey='true' required='true' autoIncrement='true'/>\n"+
+                        "    <column name='avalue' type='INTEGER'/>\n"+
+                        "  </table>\n"+
+                        "</database>";
+        }
+
+        createDatabase(model1Xml);
+
+        insertRow("roundtrip", new Object[] { new Integer(1) });
+
+        alterDatabase(model2Xml);
+
+        assertEquals(getAdjustedModel(),
+                     readModelFromDatabase("roundtriptest"));
+
+        List beans = getRows("roundtrip");
+
+        if (isSybase)
+        {
+            assertEquals(new BigDecimal(1), beans.get(0), "avalue");
+        }
+        else
+        {
+            assertEquals(new Integer(1), beans.get(0), "avalue");
+        }
+    }
+
+    /**
+     * Tests the insertion of a primary key and multiple columns.
+     */
+    public void testAddAndInsertPKAndMultipleColumns()
+    {
+        final String model1Xml = 
+            "<?xml version='1.0' encoding='ISO-8859-1'?>\n"+
+            "<database name='roundtriptest'>\n"+
+            "  <table name='roundtrip'>\n"+
+            "    <column name='avalue' type='INTEGER'/>\n"+
+            "  </table>\n"+
+            "</database>";
+        final String model2Xml = 
+            "<?xml version='1.0' encoding='ISO-8859-1'?>\n"+
+            "<database name='roundtriptest'>\n"+
+            "  <table name='roundtrip'>\n"+
+            "    <column name='pk1' type='INTEGER' primaryKey='true' required='true' autoIncrement='true'/>\n"+
+            "    <column name='pk2' type='VARCHAR' size='32' primaryKey='true' required='true'/>\n"+
+            "    <column name='avalue' type='INTEGER'/>\n"+
+            "    <column name='pk3' type='DOUBLE' primaryKey='true' required='true'/>\n"+
+            "  </table>\n"+
+            "</database>";
+
+        createDatabase(model1Xml);
+
+        insertRow("roundtrip", new Object[] { new Integer(1) });
+
+        alterDatabase(model2Xml);
+
+        assertEquals(getAdjustedModel(),
+                     readModelFromDatabase("roundtriptest"));
+
+        assertTrue(getRows("roundtrip").isEmpty());
+    }
+
+
+    /**
+     * Tests the insertion of a column to a primary key.
+     */
+    public void testInsertColumnIntoPK()
+    {
+        final String model1Xml = 
+            "<?xml version='1.0' encoding='ISO-8859-1'?>\n"+
+            "<database name='roundtriptest'>\n"+
+            "  <table name='roundtrip'>\n"+
+            "    <column name='pk1' type='INTEGER' primaryKey='true' required='true'/>\n"+
+            "    <column name='avalue' type='INTEGER'/>\n"+
+            "  </table>\n"+
+            "</database>";
+        final String model2Xml = 
+            "<?xml version='1.0' encoding='ISO-8859-1'?>\n"+
+            "<database name='roundtriptest'>\n"+
+            "  <table name='roundtrip'>\n"+
+            "    <column name='pk1' type='INTEGER' primaryKey='true' required='true'/>\n"+
+            "    <column name='pk2' type='INTEGER' primaryKey='true' required='true'/>\n"+
+            "    <column name='avalue' type='INTEGER'/>\n"+
+            "  </table>\n"+
+            "</database>";
+
+        createDatabase(model1Xml);
+
+        insertRow("roundtrip", new Object[] { new Integer(1), new Integer(2) });
+
+        alterDatabase(model2Xml);
+
+        assertEquals(getAdjustedModel(),
+                     readModelFromDatabase("roundtriptest"));
+
+        assertTrue(getRows("roundtrip").isEmpty());
+    }
+
+    /**
+     * Tests the insertion of an autoincrement column into the primary key.
+     */
+    public void testInsertAutoIncrementColumnIntoPK()
+    {
+        // we need special catering for Sybase which does not support identity for INTEGER columns
+        boolean      isSybase  = SybasePlatform.DATABASENAME.equals(getPlatform().getName());
+        final String model1Xml = 
+            "<?xml version='1.0' encoding='ISO-8859-1'?>\n"+
+            "<database name='roundtriptest'>\n"+
+            "  <table name='roundtrip'>\n"+
+            "    <column name='pk1' type='INTEGER' primaryKey='true' required='true'/>\n"+
+            "    <column name='avalue' type='INTEGER'/>\n"+
+            "  </table>\n"+
+            "</database>";
+        final String model2Xml;
+
+        if (isSybase)
+        {
+            model2Xml = "<?xml version='1.0' encoding='ISO-8859-1'?>\n"+
+                        "<database name='roundtriptest'>\n"+
+                        "  <table name='roundtrip'>\n"+
+                        "    <column name='pk1' type='INTEGER' primaryKey='true' required='true'/>\n"+
+                        "    <column name='pk2' type='NUMERIC' size='12,0' primaryKey='true' required='true' autoIncrement='true'/>\n"+
+                        "    <column name='avalue' type='INTEGER'/>\n"+
+                        "  </table>\n"+
+                        "</database>";
+        }
+        else
+        {
+            model2Xml = "<?xml version='1.0' encoding='ISO-8859-1'?>\n"+
+                        "<database name='roundtriptest'>\n"+
+                        "  <table name='roundtrip'>\n"+
+                        "    <column name='pk1' type='INTEGER' primaryKey='true' required='true'/>\n"+
+                        "    <column name='pk2' type='INTEGER' primaryKey='true' required='true' autoIncrement='true'/>\n"+
+                        "    <column name='avalue' type='INTEGER'/>\n"+
+                        "  </table>\n"+
+                        "</database>";
+        }
+
+        createDatabase(model1Xml);
+
+        insertRow("roundtrip", new Object[] { new Integer(-1), new Integer(2) });
+
+        alterDatabase(model2Xml);
+
+        assertEquals(getAdjustedModel(),
+                     readModelFromDatabase("roundtriptest"));
+
+        List beans = getRows("roundtrip");
+
+        if (isSybase)
+        {
+            assertEquals(new BigDecimal(-1), beans.get(0), "pk1");
+        }
+        else
+        {
+            assertEquals(new Integer(-1), beans.get(0), "pk1");
+        }
+        assertEquals(new Integer(2), ((DynaBean)beans.get(0)).get("avalue"));
+    }
+
+    /**
+     * Tests the insertion of multiple columns into the primary key.
+     */
+    public void testInsertMultipleColumnsIntoPK()
+    {
+        final String model1Xml = 
+            "<?xml version='1.0' encoding='ISO-8859-1'?>\n"+
+            "<database name='roundtriptest'>\n"+
+            "  <table name='roundtrip'>\n"+
+            "    <column name='pk1' type='INTEGER' primaryKey='true' required='true' autoIncrement='true'/>\n"+
+            "    <column name='avalue' type='INTEGER'/>\n"+
+            "  </table>\n"+
+            "</database>";
+        final String model2Xml = 
+            "<?xml version='1.0' encoding='ISO-8859-1'?>\n"+
+            "<database name='roundtriptest'>\n"+
+            "  <table name='roundtrip'>\n"+
+            "    <column name='pk1' type='INTEGER' primaryKey='true' required='true' autoIncrement='true'/>\n"+
+            "    <column name='pk2' type='VARCHAR' size='32' primaryKey='true' required='true'/>\n"+
+            "    <column name='avalue' type='INTEGER'/>\n"+
+            "    <column name='pk3' type='DOUBLE' primaryKey='true' required='true'/>\n"+
+            "  </table>\n"+
+            "</database>";
+
+        createDatabase(model1Xml);
+
+        insertRow("roundtrip", new Object[] { new Integer(1) });
+
+        alterDatabase(model2Xml);
+
+        assertEquals(getAdjustedModel(),
+                     readModelFromDatabase("roundtriptest"));
+
+        assertTrue(getRows("roundtrip").isEmpty());
+    }
+
+    /**
+     * Tests the insertion of a non-unique index and a column.
+     */
+    public void testInsertNonUniqueIndexAndColumn()
+    {
+        final String model1Xml = 
+            "<?xml version='1.0' encoding='ISO-8859-1'?>\n"+
+            "<database name='roundtriptest'>\n"+
+            "  <table name='roundtrip'>\n"+
+            "    <column name='pk' type='INTEGER' primaryKey='true' required='true'/>\n"+
+            "  </table>\n"+
+            "</database>";
+        final String model2Xml = 
+            "<?xml version='1.0' encoding='ISO-8859-1'?>\n"+
+            "<database name='roundtriptest'>\n"+
+            "  <table name='roundtrip'>\n"+
+            "    <column name='avalue' type='VARCHAR' size='32'/>\n"+
+            "    <column name='pk' type='INTEGER' primaryKey='true' required='true'/>\n"+
+            "    <index name='test'>\n"+
+            "      <index-column name='avalue'/>\n"+
+            "    </index>\n"+
+            "  </table>\n"+
+            "</database>";
+
+        createDatabase(model1Xml);
+
+        insertRow("roundtrip", new Object[] { new Integer(1) });
+
+        alterDatabase(model2Xml);
+
+        assertEquals(getAdjustedModel(),
+                     readModelFromDatabase("roundtriptest"));
+
+        List beans = getRows("roundtrip");
+
+        assertEquals((Object)null, beans.get(0), "avalue");
+    }
+
+    /**
+     * Tests the insertion of a non-unique index and an auto increment column.
+     */
+    public void testInsertNonUniqueIndexAndAutoIncrementColumn()
+    {
+        final String model1Xml = 
+            "<?xml version='1.0' encoding='ISO-8859-1'?>\n"+
+            "<database name='roundtriptest'>\n"+
+            "  <table name='roundtrip'>\n"+
+            "    <column name='pk' type='INTEGER' primaryKey='true' required='true'/>\n"+
+            "  </table>\n"+
+            "</database>";
+        final String model2Xml = 
+            "<?xml version='1.0' encoding='ISO-8859-1'?>\n"+
+            "<database name='roundtriptest'>\n"+
+            "  <table name='roundtrip'>\n"+
+            "    <column name='avalue' type='INTEGER' autoIncrement='true'/>\n"+
+            "    <column name='pk' type='INTEGER' primaryKey='true' required='true'/>\n"+
+            "    <index name='test'>\n"+
+            "      <index-column name='avalue'/>\n"+
+            "    </index>\n"+
+            "  </table>\n"+
+            "</database>";
+
+        createDatabase(model1Xml);
+
+        insertRow("roundtrip", new Object[] { new Integer(1) });
+
+        alterDatabase(model2Xml);
+
+        assertEquals(getAdjustedModel(),
+                     readModelFromDatabase("roundtriptest"));
+
+        List beans = getRows("roundtrip");
+
+        assertEquals(new Integer(1), beans.get(0), "avalue");
+    }
+
+    /**
+     * Tests the insertion of a non-unique index and a required column.
+     */
+    public void testInsertNonUniqueIndexAndRequiredColumn()
+    {
+        final String model1Xml = 
+            "<?xml version='1.0' encoding='ISO-8859-1'?>\n"+
+            "<database name='roundtriptest'>\n"+
+            "  <table name='roundtrip'>\n"+
+            "    <column name='pk' type='INTEGER' primaryKey='true' required='true'/>\n"+
+            "  </table>\n"+
+            "</database>";
+        final String model2Xml = 
+            "<?xml version='1.0' encoding='ISO-8859-1'?>\n"+
+            "<database name='roundtriptest'>\n"+
+            "  <table name='roundtrip'>\n"+
+            "    <column name='avalue' type='NUMERIC' size='12,0' required='true'/>\n"+
+            "    <column name='pk' type='INTEGER' primaryKey='true' required='true'/>\n"+
+            "    <index name='test'>\n"+
+            "      <index-column name='avalue'/>\n"+
+            "    </index>\n"+
+            "  </table>\n"+
+            "</database>";
+
+        createDatabase(model1Xml);
+
+        insertRow("roundtrip", new Object[] { new Integer(1) });
+
+        alterDatabase(model2Xml);
+
+        assertEquals(getAdjustedModel(),
+                     readModelFromDatabase("roundtriptest"));
+
+        assertTrue(getRows("roundtrip").isEmpty());
+    }
+
+    /**
+     * Tests the insertion of a non-unique index and a column with a default value.
+     */
+    public void testInsertNonUniqueIndexAndColumnWithDefault()
+    {
+        final String model1Xml = 
+            "<?xml version='1.0' encoding='ISO-8859-1'?>\n"+
+            "<database name='roundtriptest'>\n"+
+            "  <table name='roundtrip'>\n"+
+            "    <column name='pk' type='INTEGER' primaryKey='true' required='true'/>\n"+
+            "  </table>\n"+
+            "</database>";
+        final String model2Xml = 
+            "<?xml version='1.0' encoding='ISO-8859-1'?>\n"+
+            "<database name='roundtriptest'>\n"+
+            "  <table name='roundtrip'>\n"+
+            "    <column name='avalue' type='DOUBLE' default='2'/>\n"+
+            "    <column name='pk' type='INTEGER' primaryKey='true' required='true'/>\n"+
+            "    <index name='test'>\n"+
+            "      <index-column name='avalue'/>\n"+
+            "    </index>\n"+
+            "  </table>\n"+
+            "</database>";
+
+        createDatabase(model1Xml);
+
+        insertRow("roundtrip", new Object[] { new Integer(1) });
+
+        alterDatabase(model2Xml);
+
+        assertEquals(getAdjustedModel(),
+                     readModelFromDatabase("roundtriptest"));
+
+        List beans = getRows("roundtrip");
+
+        assertEquals(new Double(2), beans.get(0), "avalue");
+    }
+
+    /**
+     * Tests the insertion of a non-unique index and a required auto increment column.
+     */
+    public void testInsertNonUniqueIndexAndrequiredAutoIncrementColumn()
+    {
+        final String model1Xml = 
+            "<?xml version='1.0' encoding='ISO-8859-1'?>\n"+
+            "<database name='roundtriptest'>\n"+
+            "  <table name='roundtrip'>\n"+
+            "    <column name='pk' type='INTEGER' primaryKey='true' required='true'/>\n"+
+            "  </table>\n"+
+            "</database>";
+        final String model2Xml = 
+            "<?xml version='1.0' encoding='ISO-8859-1'?>\n"+
+            "<database name='roundtriptest'>\n"+
+            "  <table name='roundtrip'>\n"+
+            "    <column name='avalue' type='INTEGER' required='true' autoIncrement='true'/>\n"+
+            "    <column name='pk' type='INTEGER' primaryKey='true' required='true'/>\n"+
+            "    <index name='test'>\n"+
+            "      <index-column name='avalue'/>\n"+
+            "    </index>\n"+
+            "  </table>\n"+
+            "</database>";
+
+        createDatabase(model1Xml);
+
+        insertRow("roundtrip", new Object[] { new Integer(1) });
+
+        alterDatabase(model2Xml);
+
+        assertEquals(getAdjustedModel(),
+                     readModelFromDatabase("roundtriptest"));
+
+        List beans = getRows("roundtrip");
+
+        assertEquals(new Integer(1), beans.get(0), "avalue");
+    }
+
+    /**
+     * Tests the insertion of a non-unique index and a required column with a default value.
+     */
+    public void testInsertNonUniqueIndexAndRequiredColumnWithDefault()
+    {
+        final String model1Xml = 
+            "<?xml version='1.0' encoding='ISO-8859-1'?>\n"+
+            "<database name='roundtriptest'>\n"+
+            "  <table name='roundtrip'>\n"+
+            "    <column name='pk' type='INTEGER' primaryKey='true' required='true'/>\n"+
+            "  </table>\n"+
+            "</database>";
+        final String model2Xml = 
+            "<?xml version='1.0' encoding='ISO-8859-1'?>\n"+
+            "<database name='roundtriptest'>\n"+
+            "  <table name='roundtrip'>\n"+
+            "    <column name='avalue' type='CHAR' size='8' required='true' default='text'/>\n"+
+            "    <column name='pk' type='INTEGER' primaryKey='true' required='true'/>\n"+
+            "    <index name='test'>\n"+
+            "      <index-column name='avalue'/>\n"+
+            "    </index>\n"+
+            "  </table>\n"+
+            "</database>";
+
+        createDatabase(model1Xml);
+
+        insertRow("roundtrip", new Object[] { new Integer(1) });
+
+        alterDatabase(model2Xml);
+
+        assertEquals(getAdjustedModel(),
+                     readModelFromDatabase("roundtriptest"));
+
+        List beans = getRows("roundtrip");
+
+        assertEquals((Object)"text    ", beans.get(0), "avalue");
+    }
+
+    /**
+     * Tests the insertion of a non-unique index and several columns.
+     */
+    public void testAddAndInsertNonUniqueIndexAndMultipleColumns()
+    {
+        final String model1Xml = 
+            "<?xml version='1.0' encoding='ISO-8859-1'?>\n"+
+            "<database name='roundtriptest'>\n"+
+            "  <table name='roundtrip'>\n"+
+            "    <column name='pk' type='INTEGER' primaryKey='true' required='true'/>\n"+
+            "  </table>\n"+
+            "</database>";
+        final String model2Xml = 
+            "<?xml version='1.0' encoding='ISO-8859-1'?>\n"+
+            "<database name='roundtriptest'>\n"+
+            "  <table name='roundtrip'>\n"+
+            "    <column name='avalue1' type='INTEGER' default='1'/>\n"+
+            "    <column name='pk' type='INTEGER' primaryKey='true' required='true'/>\n"+
+            "    <column name='avalue2' type='VARCHAR' size='32' required='true'/>\n"+
+            "    <index name='test'>\n"+
+            "      <index-column name='avalue1'/>\n"+
+            "      <index-column name='avalue2'/>\n"+
+            "    </index>\n"+
+            "  </table>\n"+
+            "</database>";
+
+        createDatabase(model1Xml);
+
+        insertRow("roundtrip", new Object[] { new Integer(1) });
+
+        alterDatabase(model2Xml);
+
+        assertEquals(getAdjustedModel(),
+                     readModelFromDatabase("roundtriptest"));
+
+        assertTrue(getRows("roundtrip").isEmpty());
+    }
+
+
+    /**
+     * Tests the insertion of an unique index and a column.
+     */
+    public void testInsertUniqueIndexAndColumn()
+    {
+        final String model1Xml = 
+            "<?xml version='1.0' encoding='ISO-8859-1'?>\n"+
+            "<database name='roundtriptest'>\n"+
+            "  <table name='roundtrip'>\n"+
+            "    <column name='pk' type='INTEGER' primaryKey='true' required='true'/>\n"+
+            "  </table>\n"+
+            "</database>";
+        final String model2Xml = 
+            "<?xml version='1.0' encoding='ISO-8859-1'?>\n"+
+            "<database name='roundtriptest'>\n"+
+            "  <table name='roundtrip'>\n"+
+            "    <column name='avalue' type='VARCHAR' size='32'/>\n"+
+            "    <column name='pk' type='INTEGER' primaryKey='true' required='true'/>\n"+
+            "    <unique name='test'>\n"+
+            "      <unique-column name='avalue'/>\n"+
+            "    </unique>\n"+
+            "  </table>\n"+
+            "</database>";
+
+        createDatabase(model1Xml);
+
+        insertRow("roundtrip", new Object[] { new Integer(1) });
+
+        alterDatabase(model2Xml);
+
+        assertEquals(getAdjustedModel(),
+                     readModelFromDatabase("roundtriptest"));
+
+        List beans = getRows("roundtrip");
+
+        assertEquals((Object)null, beans.get(0), "avalue");
+    }
+
+    /**
+     * Tests the insertion of an unique index and an auto increment column.
+     */
+    public void testInsertUniqueIndexAndAutoIncrementColumn()
+    {
+        final String model1Xml = 
+            "<?xml version='1.0' encoding='ISO-8859-1'?>\n"+
+            "<database name='roundtriptest'>\n"+
+            "  <table name='roundtrip'>\n"+
+            "    <column name='pk' type='INTEGER' primaryKey='true' required='true'/>\n"+
+            "  </table>\n"+
+            "</database>";
+        final String model2Xml = 
+            "<?xml version='1.0' encoding='ISO-8859-1'?>\n"+
+            "<database name='roundtriptest'>\n"+
+            "  <table name='roundtrip'>\n"+
+            "    <column name='avalue' type='INTEGER' autoIncrement='true'/>\n"+
+            "    <column name='pk' type='INTEGER' primaryKey='true' required='true'/>\n"+
+            "    <unique name='test'>\n"+
+            "      <unique-column name='avalue'/>\n"+
+            "    </unique>\n"+
+            "  </table>\n"+
+            "</database>";
+
+        createDatabase(model1Xml);
+
+        insertRow("roundtrip", new Object[] { new Integer(1) });
+
+        alterDatabase(model2Xml);
+
+        assertEquals(getAdjustedModel(),
+                     readModelFromDatabase("roundtriptest"));
+
+        List beans = getRows("roundtrip");
+
+        assertEquals(new Integer(1), beans.get(0), "avalue");
+    }
+
+    /**
+     * Tests the insertion of an unique index and a required column.
+     */
+    public void testInsertUniqueIndexAndRequiredColumn()
+    {
+        final String model1Xml = 
+            "<?xml version='1.0' encoding='ISO-8859-1'?>\n"+
+            "<database name='roundtriptest'>\n"+
+            "  <table name='roundtrip'>\n"+
+            "    <column name='pk' type='INTEGER' primaryKey='true' required='true'/>\n"+
+            "  </table>\n"+
+            "</database>";
+        final String model2Xml = 
+            "<?xml version='1.0' encoding='ISO-8859-1'?>\n"+
+            "<database name='roundtriptest'>\n"+
+            "  <table name='roundtrip'>\n"+
+            "    <column name='avalue' type='NUMERIC' size='12,0' required='true'/>\n"+
+            "    <column name='pk' type='INTEGER' primaryKey='true' required='true'/>\n"+
+            "    <unique name='test'>\n"+
+            "      <unique-column name='avalue'/>\n"+
+            "    </unique>\n"+
+            "  </table>\n"+
+            "</database>";
+
+        createDatabase(model1Xml);
+
+        insertRow("roundtrip", new Object[] { new Integer(1) });
+
+        alterDatabase(model2Xml);
+
+        assertEquals(getAdjustedModel(),
+                     readModelFromDatabase("roundtriptest"));
+
+        assertTrue(getRows("roundtrip").isEmpty());
+    }
+
+    /**
+     * Tests the insertion of an unique index and a column with a default value.
+     */
+    public void testInsertUniqueIndexAndColumnWithDefault()
+    {
+        final String model1Xml = 
+            "<?xml version='1.0' encoding='ISO-8859-1'?>\n"+
+            "<database name='roundtriptest'>\n"+
+            "  <table name='roundtrip'>\n"+
+            "    <column name='pk' type='INTEGER' primaryKey='true' required='true'/>\n"+
+            "  </table>\n"+
+            "</database>";
+        final String model2Xml = 
+            "<?xml version='1.0' encoding='ISO-8859-1'?>\n"+
+            "<database name='roundtriptest'>\n"+
+            "  <table name='roundtrip'>\n"+
+            "    <column name='avalue' type='DOUBLE' default='2'/>\n"+
+            "    <column name='pk' type='INTEGER' primaryKey='true' required='true'/>\n"+
+            "    <unique name='test'>\n"+
+            "      <unique-column name='avalue'/>\n"+
+            "    </unique>\n"+
+            "  </table>\n"+
+            "</database>";
+
+        createDatabase(model1Xml);
+
+        insertRow("roundtrip", new Object[] { new Integer(1) });
+
+        alterDatabase(model2Xml);
+
+        assertEquals(getAdjustedModel(),
+                     readModelFromDatabase("roundtriptest"));
+
+        List beans = getRows("roundtrip");
+
+        assertEquals(new Double(2), beans.get(0), "avalue");
+    }
+
+    /**
+     * Tests the insertion of an unique index and a required auto increment column.
+     */
+    public void testInsertUniqueIndexAndRequiredAutoIncrementColumn()
+    {
+        final String model1Xml = 
+            "<?xml version='1.0' encoding='ISO-8859-1'?>\n"+
+            "<database name='roundtriptest'>\n"+
+            "  <table name='roundtrip'>\n"+
+            "    <column name='pk' type='INTEGER' primaryKey='true' required='true'/>\n"+
+            "  </table>\n"+
+            "</database>";
+        final String model2Xml = 
+            "<?xml version='1.0' encoding='ISO-8859-1'?>\n"+
+            "<database name='roundtriptest'>\n"+
+            "  <table name='roundtrip'>\n"+
+            "    <column name='avalue' type='INTEGER' required='true' autoIncrement='true'/>\n"+
+            "    <column name='pk' type='INTEGER' primaryKey='true' required='true'/>\n"+
+            "    <unique name='test'>\n"+
+            "      <unique-column name='avalue'/>\n"+
+            "    </unique>\n"+
+            "  </table>\n"+
+            "</database>";
+
+        createDatabase(model1Xml);
+
+        insertRow("roundtrip", new Object[] { new Integer(1) });
+
+        alterDatabase(model2Xml);
+
+        assertEquals(getAdjustedModel(),
+                     readModelFromDatabase("roundtriptest"));
+
+        List beans = getRows("roundtrip");
+
+        assertEquals(new Integer(1), beans.get(0), "avalue");
+    }
+
+    /**
+     * Tests the insertion of an unique index and a required column with a default value.
+     */
+    public void testInsertUniqueIndexAndRequiredColumnWithDefault()
+    {
+        final String model1Xml = 
+            "<?xml version='1.0' encoding='ISO-8859-1'?>\n"+
+            "<database name='roundtriptest'>\n"+
+            "  <table name='roundtrip'>\n"+
+            "    <column name='pk' type='INTEGER' primaryKey='true' required='true'/>\n"+
+            "  </table>\n"+
+            "</database>";
+        final String model2Xml = 
+            "<?xml version='1.0' encoding='ISO-8859-1'?>\n"+
+            "<database name='roundtriptest'>\n"+
+            "  <table name='roundtrip'>\n"+
+            "    <column name='avalue' type='CHAR' size='8' required='true' default='text'/>\n"+
+            "    <column name='pk' type='INTEGER' primaryKey='true' required='true'/>\n"+
+            "    <unique name='test'>\n"+
+            "      <unique-column name='avalue'/>\n"+
+            "    </unique>\n"+
+            "  </table>\n"+
+            "</database>";
+
+        createDatabase(model1Xml);
+
+        insertRow("roundtrip", new Object[] { new Integer(1) });
+
+        alterDatabase(model2Xml);
+
+        assertEquals(getAdjustedModel(),
+                     readModelFromDatabase("roundtriptest"));
+
+        List beans = getRows("roundtrip");
+
+        assertEquals((Object)"text    ", beans.get(0), "avalue");
+    }
+
+    /**
+     * Tests the insertion of an unique index and several columns.
+     */
+    public void testAddAndInsertUniqueIndexAndMultipleColumns()
+    {
+        final String model1Xml = 
+            "<?xml version='1.0' encoding='ISO-8859-1'?>\n"+
+            "<database name='roundtriptest'>\n"+
+            "  <table name='roundtrip'>\n"+
+            "    <column name='pk' type='INTEGER' primaryKey='true' required='true'/>\n"+
+            "  </table>\n"+
+            "</database>";
+        final String model2Xml = 
+            "<?xml version='1.0' encoding='ISO-8859-1'?>\n"+
+            "<database name='roundtriptest'>\n"+
+            "  <table name='roundtrip'>\n"+
+            "    <column name='avalue1' type='INTEGER' default='1'/>\n"+
+            "    <column name='pk' type='INTEGER' primaryKey='true' required='true'/>\n"+
+            "    <column name='avalue2' type='VARCHAR' size='32' required='true'/>\n"+
+            "    <unique name='test'>\n"+
+            "      <unique-column name='avalue1'/>\n"+
+            "      <unique-column name='avalue2'/>\n"+
+            "    </unique>\n"+
+            "  </table>\n"+
+            "</database>";
+
+        createDatabase(model1Xml);
+
+        insertRow("roundtrip", new Object[] { new Integer(1) });
+
+        alterDatabase(model2Xml);
+
+        assertEquals(getAdjustedModel(),
+                     readModelFromDatabase("roundtriptest"));
+
+        assertTrue(getRows("roundtrip").isEmpty());
+    }
+
+    /**
+     * Tests the insertion of a column into a non-unique index.
+     */
+    public void testInsertColumnIntoNonUniqueIndex()
+    {
+        final String model1Xml = 
+            "<?xml version='1.0' encoding='ISO-8859-1'?>\n"+
+            "<database name='roundtriptest'>\n"+
+            "  <table name='roundtrip'>\n"+
+            "    <column name='pk' type='INTEGER' primaryKey='true' required='true'/>\n"+
+            "    <column name='avalue1' type='INTEGER'/>\n"+
+            "    <index name='test'>\n"+
+            "      <index-column name='avalue1'/>\n"+
+            "    </index>\n"+
+            "  </table>\n"+
+            "</database>";
+        final String model2Xml = 
+            "<?xml version='1.0' encoding='ISO-8859-1'?>\n"+
+            "<database name='roundtriptest'>\n"+
+            "  <table name='roundtrip'>\n"+
+            "    <column name='pk' type='INTEGER' primaryKey='true' required='true'/>\n"+
+            "    <column name='avalue2' type='VARCHAR' size='32'/>\n"+
+            "    <column name='avalue1' type='INTEGER'/>\n"+
+            "    <index name='test'>\n"+
+            "      <index-column name='avalue1'/>\n"+
+            "      <index-column name='avalue2'/>\n"+
+            "    </index>\n"+
+            "  </table>\n"+
+            "</database>";
+
+        createDatabase(model1Xml);
+
+        insertRow("roundtrip", new Object[] { new Integer(1), new Integer(2) });
+
+        alterDatabase(model2Xml);
+
+        assertEquals(getAdjustedModel(),
+                     readModelFromDatabase("roundtriptest"));
+
+        List beans = getRows("roundtrip");
+
+        assertEquals(new Integer(2), beans.get(0), "avalue1");
+        assertEquals((Object)null,   beans.get(0), "avalue2");
+    }
+
+    /**
+     * Tests the insert of an auto increment column into a non-unique index.
+     */
+    public void testInsertAutoIncrementColumnIntoNonUniqueIndex()
+    {
+        final String model1Xml = 
+            "<?xml version='1.0' encoding='ISO-8859-1'?>\n"+
+            "<database name='roundtriptest'>\n"+
+            "  <table name='roundtrip'>\n"+
+            "    <column name='pk' type='INTEGER' primaryKey='true' required='true'/>\n"+
+            "    <column name='avalue1' type='INTEGER'/>\n"+
+            "    <index name='test'>\n"+
+            "      <index-column name='avalue1'/>\n"+
+            "    </index>\n"+
+            "  </table>\n"+
+            "</database>";
+        final String model2Xml = 
+            "<?xml version='1.0' encoding='ISO-8859-1'?>\n"+
+            "<database name='roundtriptest'>\n"+
+            "  <table name='roundtrip'>\n"+
+            "    <column name='pk' type='INTEGER' primaryKey='true' required='true'/>\n"+
+            "    <column name='avalue2' type='INTEGER' autoIncrement='true'/>\n"+
+            "    <column name='avalue1' type='INTEGER'/>\n"+
+            "    <index name='test'>\n"+
+            "      <index-column name='avalue1'/>\n"+
+            "      <index-column name='avalue2'/>\n"+
+            "    </index>\n"+
+            "  </table>\n"+
+            "</database>";
+
+        createDatabase(model1Xml);
+
+        insertRow("roundtrip", new Object[] { new Integer(1), new Integer(2) });
+
+        alterDatabase(model2Xml);
+
+        assertEquals(getAdjustedModel(),
+                     readModelFromDatabase("roundtriptest"));
+
+        List beans = getRows("roundtrip");
+
+        assertEquals(new Integer(2), beans.get(0), "avalue1");
+        assertEquals(new Integer(1), beans.get(0), "avalue2");
+    }
+
+    /**
+     * Tests the insertion of a required column into a non-unique index.
+     */
+    public void testInsertRequiredColumnIntoNonUniqueIndex()
+    {
+        final String model1Xml = 
+            "<?xml version='1.0' encoding='ISO-8859-1'?>\n"+
+            "<database name='roundtriptest'>\n"+
+            "  <table name='roundtrip'>\n"+
+            "    <column name='pk' type='INTEGER' primaryKey='true' required='true'/>\n"+
+            "    <column name='avalue1' type='INTEGER'/>\n"+
+            "    <index name='test'>\n"+
+            "      <index-column name='avalue1'/>\n"+
+            "    </index>\n"+
+            "  </table>\n"+
+            "</database>";
+        final String model2Xml = 
+            "<?xml version='1.0' encoding='ISO-8859-1'?>\n"+
+            "<database name='roundtriptest'>\n"+
+            "  <table name='roundtrip'>\n"+
+            "    <column name='pk' type='INTEGER' primaryKey='true' required='true'/>\n"+
+            "    <column name='avalue2' type='NUMERIC' size='12,0' required='true'/>\n"+
+            "    <column name='avalue1' type='INTEGER'/>\n"+
+            "    <index name='test'>\n"+
+            "      <index-column name='avalue1'/>\n"+
+            "      <index-column name='avalue2'/>\n"+
+            "    </index>\n"+
+            "  </table>\n"+
+            "</database>";
+
+        createDatabase(model1Xml);
+
+        insertRow("roundtrip", new Object[] { new Integer(1), new Integer(2) });
+
+        alterDatabase(model2Xml);
+
+        assertEquals(getAdjustedModel(),
+                     readModelFromDatabase("roundtriptest"));
+
+        assertTrue(getRows("roundtrip").isEmpty());
+    }
+
+    /**
+     * Tests the insertion of a column with a default value into a non-unique index.
+     */
+    public void testInsertColumnWithDefaultIntoNonUniqueIndex()
+    {
+        final String model1Xml = 
+            "<?xml version='1.0' encoding='ISO-8859-1'?>\n"+
+            "<database name='roundtriptest'>\n"+
+            "  <table name='roundtrip'>\n"+
+            "    <column name='pk' type='INTEGER' primaryKey='true' required='true'/>\n"+
+            "    <column name='avalue1' type='INTEGER'/>\n"+
+            "    <index name='test'>\n"+
+            "      <index-column name='avalue1'/>\n"+
+            "    </index>\n"+
+            "  </table>\n"+
+            "</database>";
+        final String model2Xml = 
+            "<?xml version='1.0' encoding='ISO-8859-1'?>\n"+
+            "<database name='roundtriptest'>\n"+
+            "  <table name='roundtrip'>\n"+
+            "    <column name='pk' type='INTEGER' primaryKey='true' required='true'/>\n"+
+            "    <column name='avalue2' type='DOUBLE' default='2'/>\n"+
+            "    <column name='avalue1' type='INTEGER'/>\n"+
+            "    <index name='test'>\n"+
+            "      <index-column name='avalue1'/>\n"+
+            "      <index-column name='avalue2'/>\n"+
+            "    </index>\n"+
+            "  </table>\n"+
+            "</database>";
+
+        createDatabase(model1Xml);
+
+        insertRow("roundtrip", new Object[] { new Integer(1), new Integer(2) });
+
+        alterDatabase(model2Xml);
+
+        assertEquals(getAdjustedModel(),
+                     readModelFromDatabase("roundtriptest"));
+
+        List beans = getRows("roundtrip");
+
+        assertEquals(new Integer(2), beans.get(0), "avalue1");
+        assertEquals(new Double(2),  beans.get(0), "avalue2");
+    }
+
+    /**
+     * Tests the insertion of a required auto increment column into a non-unique index.
+     */
+    public void testInsertRequiredAutoIncrementColumnIntoNonUniqueIndex()
+    {
+        final String model1Xml = 
+            "<?xml version='1.0' encoding='ISO-8859-1'?>\n"+
+            "<database name='roundtriptest'>\n"+
+            "  <table name='roundtrip'>\n"+
+            "    <column name='pk' type='INTEGER' primaryKey='true' required='true'/>\n"+
+            "    <column name='avalue1' type='INTEGER'/>\n"+
+            "    <index name='test'>\n"+
+            "      <index-column name='avalue1'/>\n"+
+            "    </index>\n"+
+            "  </table>\n"+
+            "</database>";
+        final String model2Xml = 
+            "<?xml version='1.0' encoding='ISO-8859-1'?>\n"+
+            "<database name='roundtriptest'>\n"+
+            "  <table name='roundtrip'>\n"+
+            "    <column name='pk' type='INTEGER' primaryKey='true' required='true'/>\n"+
+            "    <column name='avalue2' type='INTEGER' autoIncrement='true' required='true'/>\n"+
+            "    <column name='avalue1' type='INTEGER'/>\n"+
+            "    <index name='test'>\n"+
+            "      <index-column name='avalue1'/>\n"+
+            "      <index-column name='avalue2'/>\n"+
+            "    </index>\n"+
+            "  </table>\n"+
+            "</database>";
+
+        createDatabase(model1Xml);
+
+        insertRow("roundtrip", new Object[] { new Integer(1), new Integer(2) });
+
+        alterDatabase(model2Xml);
+
+        assertEquals(getAdjustedModel(),
+                     readModelFromDatabase("roundtriptest"));
+
+        List beans = getRows("roundtrip");
+
+        assertEquals(new Integer(2), beans.get(0), "avalue1");
+        assertEquals(new Integer(1), beans.get(0), "avalue2");
+    }
+
+    /**
+     * Tests the insertion of a required column with a default value into a non-unique index.
+     */
+    public void testInsertRequiredColumnWithDefaultIntoNonUniqueIndex()
+    {
+        final String model1Xml = 
+            "<?xml version='1.0' encoding='ISO-8859-1'?>\n"+
+            "<database name='roundtriptest'>\n"+
+            "  <table name='roundtrip'>\n"+
+            "    <column name='pk' type='INTEGER' primaryKey='true' required='true'/>\n"+
+            "    <column name='avalue1' type='INTEGER'/>\n"+
+            "    <index name='test'>\n"+
+            "      <index-column name='avalue1'/>\n"+
+            "    </index>\n"+
+            "  </table>\n"+
+            "</database>";
+        final String model2Xml = 
+            "<?xml version='1.0' encoding='ISO-8859-1'?>\n"+
+            "<database name='roundtriptest'>\n"+
+            "  <table name='roundtrip'>\n"+
+            "    <column name='pk' type='INTEGER' primaryKey='true' required='true'/>\n"+
+            "    <column name='avalue2' type='CHAR' size='8' default='text' required='true'/>\n"+
+            "    <column name='avalue1' type='INTEGER'/>\n"+
+            "    <index name='test'>\n"+
+            "      <index-column name='avalue1'/>\n"+
+            "      <index-column name='avalue2'/>\n"+
+            "    </index>\n"+
+            "  </table>\n"+
+            "</database>";
+
+        createDatabase(model1Xml);
+
+        insertRow("roundtrip", new Object[] { new Integer(1), new Integer(2) });
+
+        alterDatabase(model2Xml);
+
+        assertEquals(getAdjustedModel(),
+                     readModelFromDatabase("roundtriptest"));
+
+        List beans = getRows("roundtrip");
+
+        assertEquals(new Integer(2),     beans.get(0), "avalue1");
+        assertEquals((Object)"text    ", beans.get(0), "avalue2");
+    }
+
+    /**
+     * Tests the insertion of multiple columns into a non-unique index.
+     */
+    public void testAddAndInsertMultipleColumnsIntoNonUniqueIndex()
+    {
+        final String model1Xml = 
+            "<?xml version='1.0' encoding='ISO-8859-1'?>\n"+
+            "<database name='roundtriptest'>\n"+
+            "  <table name='roundtrip'>\n"+
+            "    <column name='pk' type='INTEGER' primaryKey='true' required='true'/>\n"+
+            "    <column name='avalue1' type='INTEGER'/>\n"+
+            "    <index name='test'>\n"+
+            "      <index-column name='avalue1'/>\n"+
+            "    </index>\n"+
+            "  </table>\n"+
+            "</database>";
+        final String model2Xml = 
+            "<?xml version='1.0' encoding='ISO-8859-1'?>\n"+
+            "<database name='roundtriptest'>\n"+
+            "  <table name='roundtrip'>\n"+
+            "    <column name='pk' type='INTEGER' primaryKey='true' required='true'/>\n"+
+            "    <column name='avalue2' type='INTEGER' default='3'/>\n"+
+            "    <column name='avalue1' type='INTEGER'/>\n"+
+            "    <column name='avalue3' type='DOUBLE' required='true'/>\n"+
+            "    <index name='test'>\n"+
+            "      <index-column name='avalue1'/>\n"+
+            "      <index-column name='avalue2'/>\n"+
+            "      <index-column name='avalue3'/>\n"+
+            "    </index>\n"+
+            "  </table>\n"+
+            "</database>";
+
+        createDatabase(model1Xml);
+
+        insertRow("roundtrip", new Object[] { new Integer(1), new Integer(2) });
+
+        alterDatabase(model2Xml);
+
+        assertEquals(getAdjustedModel(),
+                     readModelFromDatabase("roundtriptest"));
+
+        assertTrue(getRows("roundtrip").isEmpty());
+    }
+
+    /**
+     * Tests the insertion of a column into an unique index.
+     */
+    public void testInsertColumnIntoUniqueIndex()
+    {
+        final String model1Xml = 
+            "<?xml version='1.0' encoding='ISO-8859-1'?>\n"+
+            "<database name='roundtriptest'>\n"+
+            "  <table name='roundtrip'>\n"+
+            "    <column name='pk' type='INTEGER' primaryKey='true' required='true'/>\n"+
+            "    <column name='avalue1' type='INTEGER'/>\n"+
+            "    <unique name='test'>\n"+
+            "      <unique-column name='avalue1'/>\n"+
+            "    </unique>\n"+
+            "  </table>\n"+
+            "</database>";
+        final String model2Xml = 
+            "<?xml version='1.0' encoding='ISO-8859-1'?>\n"+
+            "<database name='roundtriptest'>\n"+
+            "  <table name='roundtrip'>\n"+
+            "    <column name='pk' type='INTEGER' primaryKey='true' required='true'/>\n"+
+            "    <column name='avalue2' type='VARCHAR' size='32'/>\n"+
+            "    <column name='avalue1' type='INTEGER'/>\n"+
+            "    <unique name='test'>\n"+
+            "      <unique-column name='avalue1'/>\n"+
+            "      <unique-column name='avalue2'/>\n"+
+            "    </unique>\n"+
+            "  </table>\n"+
+            "</database>";
+
+        createDatabase(model1Xml);
+
+        insertRow("roundtrip", new Object[] { new Integer(1), new Integer(2) });
+
+        alterDatabase(model2Xml);
+
+        assertEquals(getAdjustedModel(),
+                     readModelFromDatabase("roundtriptest"));
+
+        List beans = getRows("roundtrip");
+
+        assertEquals(new Integer(2), beans.get(0), "avalue1");
+        assertEquals((Object)null,   beans.get(0), "avalue2");
+    }
+
+    /**
+     * Tests the insertion of an auto increment column into an unique index.
+     */
+    public void testInsertAutoIncrementColumnIntoUniqueIndex()
+    {
+        final String model1Xml = 
+            "<?xml version='1.0' encoding='ISO-8859-1'?>\n"+
+            "<database name='roundtriptest'>\n"+
+            "  <table name='roundtrip'>\n"+
+            "    <column name='pk' type='INTEGER' primaryKey='true' required='true'/>\n"+
+            "    <column name='avalue1' type='INTEGER'/>\n"+
+            "    <unique name='test'>\n"+
+            "      <unique-column name='avalue1'/>\n"+
+            "    </unique>\n"+
+            "  </table>\n"+
+            "</database>";
+        final String model2Xml = 
+            "<?xml version='1.0' encoding='ISO-8859-1'?>\n"+
+            "<database name='roundtriptest'>\n"+
+            "  <table name='roundtrip'>\n"+
+            "    <column name='pk' type='INTEGER' primaryKey='true' required='true'/>\n"+
+            "    <column name='avalue2' type='INTEGER' autoIncrement='true'/>\n"+
+            "    <column name='avalue1' type='INTEGER'/>\n"+
+            "    <unique name='test'>\n"+
+            "      <unique-column name='avalue1'/>\n"+
+            "      <unique-column name='avalue2'/>\n"+
+            "    </unique>\n"+
+            "  </table>\n"+
+            "</database>";
+
+        createDatabase(model1Xml);
+
+        insertRow("roundtrip", new Object[] { new Integer(1), new Integer(2) });
+
+        alterDatabase(model2Xml);
+
+        assertEquals(getAdjustedModel(),
+                     readModelFromDatabase("roundtriptest"));
+
+        List beans = getRows("roundtrip");
+
+        assertEquals(new Integer(2), beans.get(0), "avalue1");
+        assertEquals(new Integer(1), beans.get(0), "avalue2");
+    }
+
+    /**
+     * Tests the insertion of a required column into an unique index.
+     */
+    public void testInsertRequiredColumnIntoUniqueIndex()
+    {
+        final String model1Xml = 
+            "<?xml version='1.0' encoding='ISO-8859-1'?>\n"+
+            "<database name='roundtriptest'>\n"+
+            "  <table name='roundtrip'>\n"+
+            "    <column name='pk' type='INTEGER' primaryKey='true' required='true'/>\n"+
+            "    <column name='avalue1' type='INTEGER'/>\n"+
+            "    <unique name='test'>\n"+
+            "      <unique-column name='avalue1'/>\n"+
+            "    </unique>\n"+
+            "  </table>\n"+
+            "</database>";
+        final String model2Xml = 
+            "<?xml version='1.0' encoding='ISO-8859-1'?>\n"+
+            "<database name='roundtriptest'>\n"+
+            "  <table name='roundtrip'>\n"+
+            "    <column name='pk' type='INTEGER' primaryKey='true' required='true'/>\n"+
+            "    <column name='avalue2' type='NUMERIC' size='12,0' required='true'/>\n"+
+            "    <column name='avalue1' type='INTEGER'/>\n"+
+            "    <unique name='test'>\n"+
+            "      <unique-column name='avalue1'/>\n"+
+            "      <unique-column name='avalue2'/>\n"+
+            "    </unique>\n"+
+            "  </table>\n"+
+            "</database>";
+
+        createDatabase(model1Xml);
+
+        insertRow("roundtrip", new Object[] { new Integer(1), new Integer(2) });
+
+        alterDatabase(model2Xml);
+
+        assertEquals(getAdjustedModel(),
+                     readModelFromDatabase("roundtriptest"));
+
+        assertTrue(getRows("roundtrip").isEmpty());
+    }
+
+    /**
+     * Tests the insertion of a column with a default value into an unique index.
+     */
+    public void testInsertColumnWithDefaultIntoUniqueIndex()
+    {
+        final String model1Xml = 
+            "<?xml version='1.0' encoding='ISO-8859-1'?>\n"+
+            "<database name='roundtriptest'>\n"+
+            "  <table name='roundtrip'>\n"+
+            "    <column name='pk' type='INTEGER' primaryKey='true' required='true'/>\n"+
+            "    <column name='avalue1' type='INTEGER'/>\n"+
+            "    <unique name='test'>\n"+
+            "      <unique-column name='avalue1'/>\n"+
+            "    </unique>\n"+
+            "  </table>\n"+
+            "</database>";
+        final String model2Xml = 
+            "<?xml version='1.0' encoding='ISO-8859-1'?>\n"+
+            "<database name='roundtriptest'>\n"+
+            "  <table name='roundtrip'>\n"+
+            "    <column name='pk' type='INTEGER' primaryKey='true' required='true'/>\n"+
+            "    <column name='avalue2' type='DOUBLE' default='2'/>\n"+
+            "    <column name='avalue1' type='INTEGER'/>\n"+
+            "    <unique name='test'>\n"+
+            "      <unique-column name='avalue1'/>\n"+
+            "      <unique-column name='avalue2'/>\n"+
+            "    </unique>\n"+
+            "  </table>\n"+
+            "</database>";
+
+        createDatabase(model1Xml);
+
+        insertRow("roundtrip", new Object[] { new Integer(1), new Integer(2) });
+
+        alterDatabase(model2Xml);
+
+        assertEquals(getAdjustedModel(),
+                     readModelFromDatabase("roundtriptest"));
+
+        List beans = getRows("roundtrip");
+
+        assertEquals(new Integer(2), beans.get(0), "avalue1");
+        assertEquals(new Double(2),  beans.get(0), "avalue2");
+    }
+
+    /**
+     * Tests the insertion of a required auto increment column into an unique index.
+     */
+    public void testInsertRequiredAutoIncrementColumnIntoUniqueIndex()
+    {
+        final String model1Xml = 
+            "<?xml version='1.0' encoding='ISO-8859-1'?>\n"+
+            "<database name='roundtriptest'>\n"+
+            "  <table name='roundtrip'>\n"+
+            "    <column name='pk' type='INTEGER' primaryKey='true' required='true'/>\n"+
+            "    <column name='avalue1' type='INTEGER'/>\n"+
+            "    <unique name='test'>\n"+
+            "      <unique-column name='avalue1'/>\n"+
+            "    </unique>\n"+
+            "  </table>\n"+
+            "</database>";
+        final String model2Xml = 
+            "<?xml version='1.0' encoding='ISO-8859-1'?>\n"+
+            "<database name='roundtriptest'>\n"+
+            "  <table name='roundtrip'>\n"+
+            "    <column name='pk' type='INTEGER' primaryKey='true' required='true'/>\n"+
+            "    <column name='avalue2' type='INTEGER' autoIncrement='true' required='true'/>\n"+
+            "    <column name='avalue1' type='INTEGER'/>\n"+
+            "    <unique name='test'>\n"+
+            "      <unique-column name='avalue1'/>\n"+
+            "      <unique-column name='avalue2'/>\n"+
+            "    </unique>\n"+
+            "  </table>\n"+
+            "</database>";
+
+        createDatabase(model1Xml);
+
+        insertRow("roundtrip", new Object[] { new Integer(1), new Integer(2) });
+
+        alterDatabase(model2Xml);
+
+        assertEquals(getAdjustedModel(),
+                     readModelFromDatabase("roundtriptest"));
+
+        List beans = getRows("roundtrip");
+
+        assertEquals(new Integer(2), beans.get(0), "avalue1");
+        assertEquals(new Integer(1), beans.get(0), "avalue2");
+    }
+
+    /**
+     * Tests the insertion of a required column with a default value into an unique index.
+     */
+    public void testInsertRequiredColumnWithDefaultIntoUniqueIndex()
+    {
+        final String model1Xml = 
+            "<?xml version='1.0' encoding='ISO-8859-1'?>\n"+
+            "<database name='roundtriptest'>\n"+
+            "  <table name='roundtrip'>\n"+
+            "    <column name='pk' type='INTEGER' primaryKey='true' required='true'/>\n"+
+            "    <column name='avalue1' type='INTEGER'/>\n"+
+            "    <unique name='test'>\n"+
+            "      <unique-column name='avalue1'/>\n"+
+            "    </unique>\n"+
+            "  </table>\n"+
+            "</database>";
+        final String model2Xml = 
+            "<?xml version='1.0' encoding='ISO-8859-1'?>\n"+
+            "<database name='roundtriptest'>\n"+
+            "  <table name='roundtrip'>\n"+
+            "    <column name='pk' type='INTEGER' primaryKey='true' required='true'/>\n"+
+            "    <column name='avalue2' type='CHAR' size='8' default='text' required='true'/>\n"+
+            "    <column name='avalue1' type='INTEGER'/>\n"+
+            "    <unique name='test'>\n"+
+            "      <unique-column name='avalue1'/>\n"+
+            "      <unique-column name='avalue2'/>\n"+
+            "    </unique>\n"+
+            "  </table>\n"+
+            "</database>";
+
+        createDatabase(model1Xml);
+
+        insertRow("roundtrip", new Object[] { new Integer(1), new Integer(2) });
+
+        alterDatabase(model2Xml);
+
+        assertEquals(getAdjustedModel(),
+                     readModelFromDatabase("roundtriptest"));
+
+        List beans = getRows("roundtrip");
+
+        assertEquals(new Integer(2),     beans.get(0), "avalue1");
+        assertEquals((Object)"text    ", beans.get(0), "avalue2");
+    }
+
+    /**
+     * Tests the insertion of multiple columns into an unique index.
+     */
+    public void testAddAndInsertMultipleColumnsIntoUniqueIndex()
+    {
+        final String model1Xml = 
+            "<?xml version='1.0' encoding='ISO-8859-1'?>\n"+
+            "<database name='roundtriptest'>\n"+
+            "  <table name='roundtrip'>\n"+
+            "    <column name='pk' type='INTEGER' primaryKey='true' required='true'/>\n"+
+            "    <column name='avalue1' type='INTEGER'/>\n"+
+            "    <unique name='test'>\n"+
+            "      <unique-column name='avalue1'/>\n"+
+            "    </unique>\n"+
+            "  </table>\n"+
+            "</database>";
+        final String model2Xml = 
+            "<?xml version='1.0' encoding='ISO-8859-1'?>\n"+
+            "<database name='roundtriptest'>\n"+
+            "  <table name='roundtrip'>\n"+
+            "    <column name='pk' type='INTEGER' primaryKey='true' required='true'/>\n"+
+            "    <column name='avalue2' type='INTEGER' default='3'/>\n"+
+            "    <column name='avalue1' type='INTEGER'/>\n"+
+            "    <column name='avalue3' type='DOUBLE' required='true'/>\n"+
+            "    <unique name='test'>\n"+
+            "      <unique-column name='avalue1'/>\n"+
+            "      <unique-column name='avalue2'/>\n"+
+            "      <unique-column name='avalue3'/>\n"+
+            "    </unique>\n"+
+            "  </table>\n"+
+            "</database>";
+
+        createDatabase(model1Xml);
+
+        insertRow("roundtrip", new Object[] { new Integer(1), new Integer(2) });
+
+        alterDatabase(model2Xml);
+
+        assertEquals(getAdjustedModel(),
+                     readModelFromDatabase("roundtriptest"));
+
+        assertTrue(getRows("roundtrip").isEmpty());
+    }
+
+    /**
+     * Tests the insertion of a foreign key and its local column.
+     */
+    public void testInsertFKAndLocalColumn()
+    {
+        final String model1Xml = 
+            "<?xml version='1.0' encoding='ISO-8859-1'?>\n"+
+            "<database name='roundtriptest'>\n"+
+            "  <table name='roundtrip1'>\n"+
+            "    <column name='pk' type='VARCHAR' size='32' primaryKey='true' required='true'/>\n"+
+            "  </table>\n"+
+            "  <table name='roundtrip2'>\n"+
+            "    <column name='pk' type='INTEGER' primaryKey='true' required='true'/>\n"+
+            "  </table>\n"+
+            "</database>";
+        final String model2Xml = 
+            "<?xml version='1.0' encoding='ISO-8859-1'?>\n"+
+            "<database name='roundtriptest'>\n"+
+            "  <table name='roundtrip1'>\n"+
+            "    <column name='pk' type='VARCHAR' size='32' primaryKey='true' required='true'/>\n"+
+            "  </table>\n"+
+            "  <table name='roundtrip2'>\n"+
+            "    <column name='avalue' type='VARCHAR' size='32'/>\n"+
+            "    <column name='pk' type='INTEGER' primaryKey='true' required='true'/>\n"+
+            "    <foreign-key foreignTable='roundtrip1'>\n"+
+            "      <reference local='avalue' foreign='pk'/>\n"+
+            "    </foreign-key>\n"+
+            "  </table>\n"+
+            "</database>";
+
+        createDatabase(model1Xml);
+
+        insertRow("roundtrip1", new Object[] { "text" });
+        insertRow("roundtrip2", new Object[] { new Integer(1) });
+
+        alterDatabase(model2Xml);
+
+        assertEquals(getAdjustedModel(),
+                     readModelFromDatabase("roundtriptest"));
+
+        List beans1 = getRows("roundtrip1");
+        List beans2 = getRows("roundtrip2");
+
+        assertEquals((Object)"text", beans1.get(0), "pk");
+        assertEquals(new Integer(1), beans2.get(0), "pk");
+        assertEquals((Object)null,   beans2.get(0), "avalue");
+    }
+
+    /**
+     * Tests the insertion of a foreign key and its local auto increment column.
+     */
+    public void testInsertFKAndLocalAutoIncrementColumn()
+    {
+        final String model1Xml = 
+            "<?xml version='1.0' encoding='ISO-8859-1'?>\n"+
+            "<database name='roundtriptest'>\n"+
+            "  <table name='roundtrip1'>\n"+
+            "    <column name='pk' type='INTEGER' primaryKey='true' required='true'/>\n"+
+            "  </table>\n"+
+            "  <table name='roundtrip2'>\n"+
+            "    <column name='pk' type='INTEGER' primaryKey='true' required='true'/>\n"+
+            "  </table>\n"+
+            "</database>";
+        final String model2Xml = 
+            "<?xml version='1.0' encoding='ISO-8859-1'?>\n"+
+            "<database name='roundtriptest'>\n"+
+            "  <table name='roundtrip1'>\n"+
+            "    <column name='pk' type='INTEGER' primaryKey='true' required='true'/>\n"+
+            "  </table>\n"+
+            "  <table name='roundtrip2'>\n"+
+            "    <column name='avalue' type='INTEGER' autoIncrement='true'/>\n"+
+            "    <column name='pk' type='INTEGER' primaryKey='true' required='true'/>\n"+
+            "    <foreign-key foreignTable='roundtrip1'>\n"+
+            "      <reference local='avalue' foreign='pk'/>\n"+
+            "    </foreign-key>\n"+
+            "  </table>\n"+
+            "</database>";
+
+        createDatabase(model1Xml);
+
+        insertRow("roundtrip1", new Object[] { new Integer(1) });
+        insertRow("roundtrip2", new Object[] { new Integer(2) });
+
+        alterDatabase(model2Xml);
+
+        assertEquals(getAdjustedModel(),
+                     readModelFromDatabase("roundtriptest"));
+
+        List beans1 = getRows("roundtrip1");
+        List beans2 = getRows("roundtrip2");
+
+        assertEquals(new Integer(1), beans1.get(0), "pk");
+        assertEquals(new Integer(1), beans2.get(0), "pk");
+        assertEquals(new Integer(1), beans2.get(0), "avalue");
+    }
+
+    /**
+     * Tests the insertion of a foreign key and its local required column.
+     */
+    public void testInsertFKAndLocalRequiredColumn()
+    {
+        final String model1Xml = 
+            "<?xml version='1.0' encoding='ISO-8859-1'?>\n"+
+            "<database name='roundtriptest'>\n"+
+            "  <table name='roundtrip1'>\n"+
+            "    <column name='pk' type='NUMERIC' size='12,0' primaryKey='true' required='true'/>\n"+
+            "  </table>\n"+
+            "  <table name='roundtrip2'>\n"+
+            "    <column name='pk' type='INTEGER' primaryKey='true' required='true'/>\n"+
+            "  </table>\n"+
+            "</database>";
+        final String model2Xml = 
+            "<?xml version='1.0' encoding='ISO-8859-1'?>\n"+
+            "<database name='roundtriptest'>\n"+
+            "  <table name='roundtrip1'>\n"+
+            "    <column name='pk' type='NUMERIC' size='12,0' primaryKey='true' required='true'/>\n"+
+            "  </table>\n"+
+            "  <table name='roundtrip2'>\n"+
+            "    <column name='avalue' type='NUMERIC' size='12,0' required='true'/>\n"+
+            "    <column name='pk' type='INTEGER' primaryKey='true' required='true'/>\n"+
+            "    <foreign-key foreignTable='roundtrip1'>\n"+
+            "      <reference local='avalue' foreign='pk'/>\n"+
+            "    </foreign-key>\n"+
+            "  </table>\n"+
+            "</database>";
+
+        createDatabase(model1Xml);
+
+        insertRow("roundtrip1", new Object[] { new BigDecimal(1) });
+        insertRow("roundtrip2", new Object[] { new Integer(2) });
+
+        alterDatabase(model2Xml);
+
+        assertEquals(getAdjustedModel(),
+                     readModelFromDatabase("roundtriptest"));
+
+        List beans1 = getRows("roundtrip1");
+        List beans2 = getRows("roundtrip2");
+
+        assertEquals(new BigDecimal(1), beans1.get(0), "pk");
+        assertTrue(beans2.isEmpty());
+    }
+
+    /**
+     * Tests the insertion of a foreign key and its local column with a default value.
+     */
+    public void testInsertFKAndLocalColumnWithDefault()
+    {
+        final String model1Xml = 
+            "<?xml version='1.0' encoding='ISO-8859-1'?>\n"+
+            "<database name='roundtriptest'>\n"+
+            "  <table name='roundtrip1'>\n"+
+            "    <column name='pk' type='DOUBLE' primaryKey='true' required='true'/>\n"+
+            "  </table>\n"+
+            "  <table name='roundtrip2'>\n"+
+            "    <column name='pk' type='INTEGER' primaryKey='true' required='true'/>\n"+
+            "  </table>\n"+
+            "</database>";
+        final String model2Xml = 
+            "<?xml version='1.0' encoding='ISO-8859-1'?>\n"+
+            "<database name='roundtriptest'>\n"+
+            "  <table name='roundtrip1'>\n"+
+            "    <column name='pk' type='DOUBLE' primaryKey='true' required='true'/>\n"+
+            "  </table>\n"+
+            "  <table name='roundtrip2'>\n"+
+            "    <column name='avalue' type='DOUBLE' default='1'/>\n"+
+            "    <column name='pk' type='INTEGER' primaryKey='true' required='true'/>\n"+
+            "    <foreign-key foreignTable='roundtrip1'>\n"+
+            "      <reference local='avalue' foreign='pk'/>\n"+
+            "    </foreign-key>\n"+
+            "  </table>\n"+
+            "</database>";
+
+        createDatabase(model1Xml);
+
+        insertRow("roundtrip1", new Object[] { new Double(1) });
+        insertRow("roundtrip2", new Object[] { new Integer(2) });
+
+        alterDatabase(model2Xml);
+
+        assertEquals(getAdjustedModel(),
+                     readModelFromDatabase("roundtriptest"));
+
+        List beans1 = getRows("roundtrip1");
+        List beans2 = getRows("roundtrip2");
+
+        assertEquals(new Double(1),  beans1.get(0), "pk");
+        assertEquals(new Integer(2), beans2.get(0), "pk");
+        assertEquals(new Double(1),  beans2.get(0), "avalue");
+    }
+
+    /**
+     * Tests the insertion of a foreign key and its local required auto increment column.
+     */
+    public void testInsertFKAndLocalRequiredAutoIncrementColumn()
+    {
+        final String model1Xml = 
+            "<?xml version='1.0' encoding='ISO-8859-1'?>\n"+
+            "<database name='roundtriptest'>\n"+
+            "  <table name='roundtrip1'>\n"+
+            "    <column name='pk' type='INTEGER' primaryKey='true' required='true'/>\n"+
+            "  </table>\n"+
+            "  <table name='roundtrip2'>\n"+
+            "    <column name='pk' type='INTEGER' primaryKey='true' required='true'/>\n"+
+            "  </table>\n"+
+            "</database>";
+        final String model2Xml = 
+            "<?xml version='1.0' encoding='ISO-8859-1'?>\n"+
+            "<database name='roundtriptest'>\n"+
+            "  <table name='roundtrip1'>\n"+
+            "    <column name='pk' type='INTEGER' primaryKey='true' required='true'/>\n"+
+            "  </table>\n"+
+            "  <table name='roundtrip2'>\n"+
+            "    <column name='avalue' type='INTEGER' required='true' autoIncrement='true'/>\n"+
+            "    <column name='pk' type='INTEGER' primaryKey='true' required='true'/>\n"+
+            "    <foreign-key foreignTable='roundtrip1'>\n"+
+            "      <reference local='avalue' foreign='pk'/>\n"+
+            "    </foreign-key>\n"+
+            "  </table>\n"+
+            "</database>";
+
+        createDatabase(model1Xml);
+
+        insertRow("roundtrip1", new Object[] { new Integer(1) });
+        insertRow("roundtrip2", new Object[] { new Integer(2) });
+
+        alterDatabase(model2Xml);
+
+        assertEquals(getAdjustedModel(),
+                     readModelFromDatabase("roundtriptest"));
+
+        List beans1 = getRows("roundtrip1");
+        List beans2 = getRows("roundtrip2");
+
+        assertEquals(new Integer(1), beans1.get(0), "pk");
+        assertEquals(new Integer(2), beans2.get(0), "pk");
+        assertEquals(new Integer(1), beans2.get(0), "avalue");
+    }
+
+    /**
+     * Tests the insertion of a foreign key and its local required column with a default value.
+     */
+    public void testInsertFKAndLocalRequiredColumnWithDefault()
+    {
+        final String model1Xml = 
+            "<?xml version='1.0' encoding='ISO-8859-1'?>\n"+
+            "<database name='roundtriptest'>\n"+
+            "  <table name='roundtrip1'>\n"+
+            "    <column name='pk' type='CHAR' size='8' primaryKey='true' required='true'/>\n"+
+            "  </table>\n"+
+            "  <table name='roundtrip2'>\n"+
+            "    <column name='pk' type='INTEGER' primaryKey='true' required='true'/>\n"+
+            "  </table>\n"+
+            "</database>";
+        final String model2Xml = 
+            "<?xml version='1.0' encoding='ISO-8859-1'?>\n"+
+            "<database name='roundtriptest'>\n"+
+            "  <table name='roundtrip1'>\n"+
+            "    <column name='pk' type='CHAR' size='8' primaryKey='true' required='true'/>\n"+
+            "  </table>\n"+
+            "  <table name='roundtrip2'>\n"+
+            "    <column name='avalue' type='CHAR' size='8' required='true' default='text'/>\n"+
+            "    <column name='pk' type='INTEGER' primaryKey='true' required='true'/>\n"+
+            "    <foreign-key foreignTable='roundtrip1'>\n"+
+            "      <reference local='avalue' foreign='pk'/>\n"+
+            "    </foreign-key>\n"+
+            "  </table>\n"+
+            "</database>";
+
+        createDatabase(model1Xml);
+
+        insertRow("roundtrip1", new Object[] { "text" });
+        insertRow("roundtrip2", new Object[] { new Integer(1) });
+
+        alterDatabase(model2Xml);
+
+        assertEquals(getAdjustedModel(),
+                     readModelFromDatabase("roundtriptest"));
+
+        List beans1 = getRows("roundtrip1");
+        List beans2 = getRows("roundtrip2");
+
+        assertEquals((Object)"text    ", beans1.get(0), "pk");
+        assertEquals(new Integer(1),    beans2.get(0), "pk");
+        assertEquals((Object)"text    ", beans2.get(0), "avalue");
+    }
+
+    /**
+     * Tests the insertion of a foreign key and its local columns.
+     */
+    public void testAddAndInsertFKAndMultipleLocalColumns()
+    {
+        final String model1Xml = 
+            "<?xml version='1.0' encoding='ISO-8859-1'?>\n"+
+            "<database name='roundtriptest'>\n"+
+            "  <table name='roundtrip1'>\n"+
+            "    <column name='pk1' type='INTEGER' primaryKey='true' required='true'/>\n"+
+            "    <column name='pk2' type='DOUBLE' primaryKey='true' required='true'/>\n"+
+            "  </table>\n"+
+            "  <table name='roundtrip2'>\n"+
+            "    <column name='pk' type='INTEGER' primaryKey='true' required='true'/>\n"+
+            "  </table>\n"+
+            "</database>";
+        final String model2Xml = 
+            "<?xml version='1.0' encoding='ISO-8859-1'?>\n"+
+            "<database name='roundtriptest'>\n"+
+            "  <table name='roundtrip1'>\n"+
+            "    <column name='pk1' type='INTEGER' primaryKey='true' required='true'/>\n"+
+            "    <column name='pk2' type='DOUBLE' primaryKey='true' required='true'/>\n"+
+            "  </table>\n"+
+            "  <table name='roundtrip2'>\n"+
+            "    <column name='avalue1' type='INTEGER' default='1'/>\n"+
+            "    <column name='pk' type='INTEGER' primaryKey='true' required='true'/>\n"+
+            "    <column name='avalue2' type='DOUBLE' required='true'/>\n"+
+            "    <foreign-key foreignTable='roundtrip1'>\n"+
+            "      <reference local='avalue1' foreign='pk1'/>\n"+
+            "      <reference local='avalue2' foreign='pk2'/>\n"+
+            "    </foreign-key>\n"+
+            "  </table>\n"+
+            "</database>";
+
+        createDatabase(model1Xml);
+
+        insertRow("roundtrip1", new Object[] { new Integer(1), new Double(2) });
+        insertRow("roundtrip2", new Object[] { new Integer(3) });
+
+        alterDatabase(model2Xml);
+
+        assertEquals(getAdjustedModel(),
+                     readModelFromDatabase("roundtriptest"));
+
+        List beans1 = getRows("roundtrip1");
+        List beans2 = getRows("roundtrip2");
+
+        assertEquals(new Integer(1), beans1.get(0), "pk1");
+        assertEquals(new Double(2),  beans1.get(0), "pk2");
+        assertTrue(beans2.isEmpty());
+    }
+
+    /**
+     * Tests the insertion of a foreign key and its foreign column.
+     */
+    public void testInsertFKAndForeignColumn()
+    {
+        final String model1Xml = 
+            "<?xml version='1.0' encoding='ISO-8859-1'?>\n"+
+            "<database name='roundtriptest'>\n"+
+            "  <table name='roundtrip1'>\n"+
+            "    <column name='avalue' type='INTEGER'/>\n"+
+            "  </table>\n"+
+            "  <table name='roundtrip2'>\n"+
+            "    <column name='pk' type='INTEGER' primaryKey='true' required='true'/>\n"+
+            "    <column name='avalue' type='VARCHAR' size='32'/>\n"+
+            "  </table>\n"+
+            "</database>";
+        final String model2Xml = 
+            "<?xml version='1.0' encoding='ISO-8859-1'?>\n"+
+            "<database name='roundtriptest'>\n"+
+            "  <table name='roundtrip1'>\n"+
+            "    <column name='avalue' type='INTEGER'/>\n"+
+            "    <column name='pk' type='VARCHAR' size='32' primaryKey='true' required='true'/>\n"+
+            "  </table>\n"+
+            "  <table name='roundtrip2'>\n"+
+            "    <column name='avalue' type='VARCHAR' size='32'/>\n"+
+            "    <column name='pk' type='INTEGER' primaryKey='true' required='true'/>\n"+
+            "    <foreign-key foreignTable='roundtrip1'>\n"+
+            "      <reference local='avalue' foreign='pk'/>\n"+
+            "    </foreign-key>\n"+
+            "  </table>\n"+
+            "</database>";
+
+        createDatabase(model1Xml);
+        // no point trying this with data in the db as it will only cause a constraint violation
+        alterDatabase(model2Xml);
+
+        assertEquals(getAdjustedModel(),
+                     readModelFromDatabase("roundtriptest"));
+    }
+
+    /**
+     * Tests the insertion of a foreign key and its foreign auto increment column.
+     */
+    public void testInsertFKAndForeignAutoIncrementColumn()
+    {
+        final String model1Xml = 
+            "<?xml version='1.0' encoding='ISO-8859-1'?>\n"+
+            "<database name='roundtriptest'>\n"+
+            "  <table name='roundtrip1'>\n"+
+            "    <column name='avalue' type='INTEGER'/>\n"+
+            "  </table>\n"+
+            "  <table name='roundtrip2'>\n"+
+            "    <column name='pk' type='INTEGER' primaryKey='true' required='true'/>\n"+
+            "    <column name='avalue' type='INTEGER'/>\n"+
+            "  </table>\n"+
+            "</database>";
+        final String model2Xml = 
+            "<?xml version='1.0' encoding='ISO-8859-1'?>\n"+
+            "<database name='roundtriptest'>\n"+
+            "  <table name='roundtrip1'>\n"+

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