Checkpoint towards introducing a CommitOperator which implements IOperatorExtension interface plus the corresponding rewrite rule

git-svn-id: https://asterixdb.googlecode.com/svn/branches/asterix_lsm_stabilization@832 eaa15691-b419-025a-1212-ee371bd00084
diff --git a/asterix-app/src/test/resources/optimizerts/results/scan-delete-rtree-secondary-index.plan b/asterix-app/src/test/resources/optimizerts/results/scan-delete-rtree-secondary-index.plan
index 03fd04e..16235d1 100644
--- a/asterix-app/src/test/resources/optimizerts/results/scan-delete-rtree-secondary-index.plan
+++ b/asterix-app/src/test/resources/optimizerts/results/scan-delete-rtree-secondary-index.plan
@@ -1,4 +1,4 @@
--- SINK  |PARTITIONED|
+-- COMMIT  |UNPARTITIONED|
   -- ONE_TO_ONE_EXCHANGE  |UNPARTITIONED|
     -- INDEX_INSERT_DELETE  |UNPARTITIONED|
       -- ONE_TO_ONE_EXCHANGE  |LOCAL|