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-primary-10.plan b/asterix-app/src/test/resources/optimizerts/results/btree-index/btree-primary-10.plan
index 011cf66..2d4e3ea 100644
--- a/asterix-app/src/test/resources/optimizerts/results/btree-index/btree-primary-10.plan
+++ b/asterix-app/src/test/resources/optimizerts/results/btree-index/btree-primary-10.plan
@@ -3,6 +3,7 @@
     -- STREAM_PROJECT  |PARTITIONED|
       -- STREAM_SELECT  |PARTITIONED|
         -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-          -- DATASOURCE_SCAN  |PARTITIONED|
+          -- BTREE_SEARCH  |PARTITIONED|
             -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
-              -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
+              -- ASSIGN  |PARTITIONED|
+                -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
\ No newline at end of file