Merged asterix_lsm_stabilization upto r1547

git-svn-id: https://asterixdb.googlecode.com/svn/trunk/asterix@1622 eaa15691-b419-025a-1212-ee371bd00084
diff --git a/asterix-app/src/test/resources/optimizerts/results/btree-index/btree-primary-21.plan b/asterix-app/src/test/resources/optimizerts/results/btree-index/btree-primary-21.plan
new file mode 100644
index 0000000..50b1c04
--- /dev/null
+++ b/asterix-app/src/test/resources/optimizerts/results/btree-index/btree-primary-21.plan
@@ -0,0 +1,8 @@
+-- DISTRIBUTE_RESULT  |PARTITIONED|
+  -- RANDOM_MERGE_EXCHANGE  |PARTITIONED|
+    -- STREAM_PROJECT  |PARTITIONED|
+      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+        -- BTREE_SEARCH  |PARTITIONED|
+          -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+            -- ASSIGN  |PARTITIONED|
+              -- EMPTY_TUPLE_SOURCE  |PARTITIONED|