Fixed AR-359: Property values never persisted as Serializable unless absolutely necessary. Bumped schema version up to 4.

git-svn-id: https://svn.alfresco.com/repos/alfresco-enterprise/alfresco/HEAD/root@2246 c4b6b30b-aa2e-2d43-bbcb-ca4b014f7261

source/java/org/alfresco/repo/domain/hibernate/Node.hbm.xml

@@ -330,4 +330,14 @@
          status.changeTxnId = :changeTxnId
    </query>
 
+   <query name="node.patch.GetNodesWithPersistedSerializableProperties">
+      select distinct
+         node
+      from
+         org.alfresco.repo.domain.hibernate.NodeImpl as node
+      where
+         node.properties.serializableValue is not null and
+         node.properties.multiValued = false
+   </query>
+
 </hibernate-mapping>