diff --git a/hyracks-storage-am-common/src/main/java/edu/uci/ics/hyracks/storage/am/common/ophelpers/IndexOperation.java b/hyracks-storage-am-common/src/main/java/edu/uci/ics/hyracks/storage/am/common/ophelpers/IndexOperation.java
index 1244015..ce7697e 100644
--- a/hyracks-storage-am-common/src/main/java/edu/uci/ics/hyracks/storage/am/common/ophelpers/IndexOperation.java
+++ b/hyracks-storage-am-common/src/main/java/edu/uci/ics/hyracks/storage/am/common/ophelpers/IndexOperation.java
@@ -16,5 +16,5 @@
 package edu.uci.ics.hyracks.storage.am.common.ophelpers;
 
 public enum IndexOperation {
-	INSERT, DELETE, UPDATE, UPSERT, SEARCH, DISKORDERSCAN, PHYSICALDELETE
+	INSERT, DELETE, UPDATE, UPSERT, SEARCH, DISKORDERSCAN, PHYSICALDELETE, NOOP
 }