1 files changed, 2 insertions, 3 deletions
diff --git a/sql/sql_select.h b/sql/sql_select.h
index dcf95f04702..55ab94186ad 100644
--- a/sql/sql_select.h
+++ b/sql/sql_select.h
@@ -246,7 +246,6 @@ struct SplM_plan_info;
 class SplM_opt_info;
 
 typedef struct st_join_table {
-  st_join_table() {}
   TABLE		*table;
   TABLE_LIST    *tab_list;
   KEYUSE	*keyuse;			/**< pointer to first used key */
@@ -2157,9 +2156,9 @@ public:
   static void operator delete(void *ptr, size_t size) { TRASH_FREE(ptr, size); }
   static void operator delete(void *, THD *) throw(){}
 
-  Virtual_tmp_table(THD *thd)
+  Virtual_tmp_table(THD *thd) : m_alloced_field_count(0)
   {
-    bzero(this, sizeof(*this));
+    reset();
     temp_pool_slot= MY_BIT_NONE;
     in_use= thd;
     copy_blobs= true;