Fixed a bug in BTree indexed NL joins. The bug surfaced in a query with multiple index rewrites (primary index search feeding into a secondary indexed NL join).

git-svn-id: https://asterixdb.googlecode.com/svn/branches/asterix_stabilization@916 eaa15691-b419-025a-1212-ee371bd00084
diff --git a/asterix-app/src/test/resources/optimizerts/results/btree-index-join/secondary-equi-join-multiindex.plan b/asterix-app/src/test/resources/optimizerts/results/btree-index-join/secondary-equi-join-multiindex.plan
new file mode 100644
index 0000000..76a5aa8
--- /dev/null
+++ b/asterix-app/src/test/resources/optimizerts/results/btree-index-join/secondary-equi-join-multiindex.plan
@@ -0,0 +1,19 @@
+-- SINK_WRITE  |PARTITIONED|
+  -- RANDOM_MERGE_EXCHANGE  |PARTITIONED|
+    -- STREAM_PROJECT  |PARTITIONED|
+      -- ASSIGN  |PARTITIONED|
+        -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+          -- BTREE_SEARCH  |PARTITIONED|
+            -- ONE_TO_ONE_EXCHANGE  |LOCAL|
+              -- STABLE_SORT [$$29(ASC)]  |LOCAL|
+                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                  -- STREAM_PROJECT  |PARTITIONED|
+                    -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                      -- BTREE_SEARCH  |PARTITIONED|
+                        -- BROADCAST_EXCHANGE  |PARTITIONED|
+                          -- ASSIGN  |PARTITIONED|
+                            -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                              -- BTREE_SEARCH  |PARTITIONED|
+                                -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
+                                  -- ASSIGN  |PARTITIONED|
+                                    -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
\ No newline at end of file