void TABLE::mark_table_for_reopen()
{
  THD *thd= in_use;
  DBUG_ASSERT(thd);
  thd->locked_tables_list.mark_table_for_reopen(thd, this);
}
void TABLE::mark_table_for_reopen()
{
  THD *thd= in_use;
  DBUG_ASSERT(thd);
  thd->locked_tables_list.mark_table_for_reopen(thd, this);
}