Index: src/main/java/org/apache/openjpa/jdbc/sql/SelectImpl.java
===================================================================
--- src/main/java/org/apache/openjpa/jdbc/sql/SelectImpl.java	(revision 551886)
+++ src/main/java/org/apache/openjpa/jdbc/sql/SelectImpl.java	(working copy)
@@ -107,7 +107,7 @@
     }
 
     private final JDBCConfiguration _conf;
-    private final DBDictionary _dict;
+    protected final DBDictionary _dict;
 
     // map of variable + relation path + table keys to the correct alias index:
     // each relation path/table combination should have a unique alias because
@@ -122,7 +122,7 @@
     private SortedMap _tables = null;
 
     // combined list of selected ids and map of each id to its alias
-    private final Selects _selects = new Selects();
+    protected final Selects _selects = newSelects();
     private List _ordered = null;
 
     // flags
@@ -158,14 +158,14 @@
 
     // from select if this select selects from a tmp table created by another
     private SelectImpl _from = null;
-    private SelectImpl _outer = null;
+    protected SelectImpl _outer = null;
     
     // bitSet indicating if an alias is removed from parent select
     // bit 0 : correspond to alias 0
     // bit 1 : correspond to alias 1, etc.
     // if the bit is set, the corresponding alias has been removed from parent
     // and recorded under subselect.
-    private BitSet _removedAliasFromParent = new BitSet(16);
+    protected BitSet _removedAliasFromParent = new BitSet(16);
      
     /**
      * Helper method to return the proper table alias for the given alias index.
@@ -2670,20 +2670,24 @@
             return super.toString() + " (" + _outer + "): " + _joins;
         }
     }
+    
+    protected Selects newSelects() {
+        return new Selects();
+    }
 
     /**
      * Helper class to track selected columns, with fast contains method.
      * Acts as a list of select ids, with additional methods to manipulate
      * the alias of each selected id.
      */
-    private static class Selects
+    protected static class Selects
         extends AbstractList {
 
-        private List _ids = null;
-        private List _idents = null;
-        private Map _aliases = null;
-        private Map _selectAs = null;
-        private DBDictionary _dict = null;
+        protected List _ids = null;
+        protected List _idents = null;
+        protected Map _aliases = null;
+        protected Map _selectAs = null;
+        protected DBDictionary _dict = null;
 
         /**
          * Add all aliases from another instance.
Index: src/main/java/org/apache/openjpa/jdbc/sql/OracleDictionary.java
===================================================================
--- src/main/java/org/apache/openjpa/jdbc/sql/OracleDictionary.java	(revision 551886)
+++ src/main/java/org/apache/openjpa/jdbc/sql/OracleDictionary.java	(working copy)
@@ -912,7 +912,7 @@
     /**
      * Returns a OpenJPA 3-compatible name for an auto-assign sequence.
      */
-    private String getOpenJPA3GeneratedKeySequenceName(Column col) {
+    protected String getOpenJPA3GeneratedKeySequenceName(Column col) {
         Table table = col.getTable();
         return makeNameValid("SEQ_" + table.getName(), table.getSchema().
             getSchemaGroup(), maxTableNameLength, NAME_ANY);
@@ -921,7 +921,7 @@
     /**
      * Returns a OpenJPA 3-compatible name for an auto-assign trigger.
      */
-    private String getOpenJPA3GeneratedKeyTriggerName(Column col) {
+    protected String getOpenJPA3GeneratedKeyTriggerName(Column col) {
         Table table = col.getTable();
         return makeNameValid("TRIG_" + table.getName(), table.getSchema().
             getSchemaGroup(), maxTableNameLength, NAME_ANY);
Index: src/main/java/org/apache/openjpa/jdbc/kernel/AbstractUpdateManager.java
===================================================================
--- src/main/java/org/apache/openjpa/jdbc/kernel/AbstractUpdateManager.java	(revision 551886)
+++ src/main/java/org/apache/openjpa/jdbc/kernel/AbstractUpdateManager.java	(working copy)
@@ -136,7 +136,7 @@
      * @param customs buffer custom mappings
      * @return the exceptions list
      */
-    private Collection populateRowManager(OpenJPAStateManager sm,
+    protected Collection populateRowManager(OpenJPAStateManager sm,
         RowManager rowMgr, JDBCStore store, Collection exceps,
         Collection customs) {
         try {
@@ -336,7 +336,7 @@
     /**
      * Executes customized mapping updates.
      */
-    private static class CustomMapping {
+    protected static class CustomMapping {
 
         public static final int INSERT = 0;
         public static final int UPDATE = 1;