diff --git a/VERSION b/VERSION
index 8abd600f..77c5d028 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-Version 2.00.0 (2012-05-17 17:51:51) dev
+Version 2.00.0 (2012-05-17 18:13:53) dev
diff --git a/gluon/dal.py b/gluon/dal.py
index 354384f2..9023cc88 100644
--- a/gluon/dal.py
+++ b/gluon/dal.py
@@ -7479,6 +7479,9 @@ class Expression(object):
     def len(self):
         return Expression(self.db, self.db._adapter.AGGREGATE, self, 'LENGTH', 'integer')
 
+    def avg(self):
+        return Expression(self.db, self.db._adapter.AGGREGATE, self, 'AVG', self.type)
+
     def lower(self):
         return Expression(self.db, self.db._adapter.LOWER, self, None, self.type)