Fix for issue 813 - enabling prefix btree search with non-matching predicates

Change-Id: I59eb43afa7dbcabd7f43269566d75c9361c55386
Reviewed-on: http://fulliautomatix.ics.uci.edu:8443/171
Tested-by: Jenkins <jenkins@fulliautomatix.ics.uci.edu>
Reviewed-by: abdullah alamoudi <bamousaa@gmail.com>
diff --git a/asterix-app/src/test/resources/optimizerts/results/btree-index/btree-secondary-58.plan b/asterix-app/src/test/resources/optimizerts/results/btree-index/btree-secondary-58.plan
index d7667d6..e12cdd8 100644
--- a/asterix-app/src/test/resources/optimizerts/results/btree-index/btree-secondary-58.plan
+++ b/asterix-app/src/test/resources/optimizerts/results/btree-index/btree-secondary-58.plan
@@ -1,15 +1,17 @@
 -- DISTRIBUTE_RESULT  |PARTITIONED|
   -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-    -- STREAM_SELECT  |PARTITIONED|
-      -- STREAM_PROJECT  |PARTITIONED|
-        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-          -- BTREE_SEARCH  |PARTITIONED|
+    -- STREAM_PROJECT  |PARTITIONED|
+      -- STREAM_SELECT  |PARTITIONED|
+        -- ASSIGN  |PARTITIONED|
+          -- STREAM_PROJECT  |PARTITIONED|
             -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-              -- STABLE_SORT [$$9(ASC)]  |PARTITIONED|
+              -- BTREE_SEARCH  |PARTITIONED|
                 -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                  -- STREAM_PROJECT  |PARTITIONED|
+                  -- STABLE_SORT [$$12(ASC)]  |PARTITIONED|
                     -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                      -- BTREE_SEARCH  |PARTITIONED|
+                      -- STREAM_PROJECT  |PARTITIONED|
                         -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-                          -- ASSIGN  |PARTITIONED|
-                            -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+                          -- BTREE_SEARCH  |PARTITIONED|
+                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                              -- ASSIGN  |PARTITIONED|
+                                -- EMPTY_TUPLE_SOURCE  |PARTITIONED|