=== modified file 'sql/opt_range.cc'
--- a/sql/opt_range.cc	2014-04-01 16:59:51 +0000
+++ b/sql/opt_range.cc	2014-04-18 10:07:54 +0000
@@ -2181,7 +2181,7 @@ int QUICK_ROR_INTERSECT_SELECT::init_ror
     quick->record= head->record[0];
   }
 
-  if (need_to_fetch_row && head->file->ha_rnd_init_with_error(1))
+  if (need_to_fetch_row && head->file->ha_rnd_init_with_error(false))

   {
     DBUG_PRINT("error", ("ROR index_merge rnd_init call failed"));
     DBUG_RETURN(1);
@@ -2363,8 +2363,13 @@ int QUICK_ROR_UNION_SELECT::reset()
     quick->save_last_pos();
     queue_insert(&queue, (uchar*)quick);
   }
-
-  if ((error= head->file->ha_rnd_init(1)))
+  /* Prepare for ha_rnd_pos calls. */
+  if (head->file->inited && (error= head->file->ha_rnd_end()))
+  {
+    DBUG_PRINT("error", ("ROR index_merge rnd_end call failed"));
+    DBUG_RETURN(error);
+  }
+  if ((error= head->file->ha_rnd_init(false)))
   {
     DBUG_PRINT("error", ("ROR index_merge rnd_init call failed"));
     DBUG_RETURN(error);

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