1 files changed, 5 insertions, 0 deletions
diff --git a/sql/sql_select.h b/sql/sql_select.h
index 07b94b0afed..8c58401a7f6 100644
--- a/sql/sql_select.h
+++ b/sql/sql_select.h
@@ -299,6 +299,11 @@ class JOIN :public Sql_alloc
   void join_free(bool full);
   void clear();
   bool save_join_tab();
+  bool send_row_on_empty_set()
+  {
+    return (do_send_rows && tmp_table_param.sum_func_count != 0 &&
+	    !group_list);
+  }
 };