1 files changed, 7 insertions, 0 deletions
diff --git a/plugins/org.eclipse.emf.cdo.server.db/src/org/eclipse/emf/cdo/server/internal/db/mapping/horizontal/AbstractHorizontalClassMapping.java b/plugins/org.eclipse.emf.cdo.server.db/src/org/eclipse/emf/cdo/server/internal/db/mapping/horizontal/AbstractHorizontalClassMapping.java
index d43f04c18b..06cc45ad15 100644
--- a/plugins/org.eclipse.emf.cdo.server.db/src/org/eclipse/emf/cdo/server/internal/db/mapping/horizontal/AbstractHorizontalClassMapping.java
+++ b/plugins/org.eclipse.emf.cdo.server.db/src/org/eclipse/emf/cdo/server/internal/db/mapping/horizontal/AbstractHorizontalClassMapping.java
@@ -91,6 +91,9 @@ public abstract class AbstractHorizontalClassMapping implements IClassMapping
 
     IDBField idField = table.addField(CDODBSchema.ATTRIBUTES_ID, DBType.BIGINT, true);
     IDBField versionField = table.addField(CDODBSchema.ATTRIBUTES_VERSION, DBType.INTEGER, true);
+
+    addBranchingField(table);
+
     table.addField(CDODBSchema.ATTRIBUTES_CLASS, DBType.BIGINT, true);
     table.addField(CDODBSchema.ATTRIBUTES_CREATED, DBType.BIGINT, true);
     IDBField revisedField = table.addField(CDODBSchema.ATTRIBUTES_REVISED, DBType.BIGINT, true);
@@ -102,6 +105,10 @@ public abstract class AbstractHorizontalClassMapping implements IClassMapping
     table.addIndex(IDBIndex.Type.NON_UNIQUE, idField, revisedField);
   }
 
+  protected void addBranchingField(IDBTable table)
+  {
+  }
+
   private void initFeatures()
   {
     EStructuralFeature[] features = CDOModelUtil.getAllPersistentFeatures(eClass);