Method uncacheable

sql/sql_lex.h:2541–2559

  }

  inline void uncacheable(uint8 cause)
  {
    safe_to_cache_query= 0;

    /*
      There are no sense to mark select_lex and union fields of LEX,
      but we should merk all subselects as uncacheable from current till
      most upper
    */
    SELECT_LEX *sl;
    SELECT_LEX_UNIT *un;
    for (sl= current_select, un= sl->master_unit();
	 un != &unit;
	 sl= sl->outer_select(), un= sl->master_unit())
    {
      sl->uncacheable|= cause;
      un->uncacheable|= cause;
    }
  }
  void set_trg_event_type_for_tables();

  TABLE_LIST *unlink_first_table(bool *link_to_local);