Method free_items

sql/sql_class.cc:4279–4293

void Query_arena::free_items()
{
  Item *next;
  DBUG_ENTER("Query_arena::free_items");
  /* This works because items are allocated on THD::mem_root */
  for (; free_list; free_list= next)
  {
    next= free_list->next;
    DBUG_ASSERT(free_list != next);
    DBUG_PRINT("info", ("free item: %p", free_list));
    free_list->delete_self();
  }
  /* Postcondition: free_list is 0 */
  DBUG_VOID_RETURN;
}


void Query_arena::set_query_arena(Query_arena *set)