Method set_switch

sql/opt_hints.h:305–315

Function sets switch hint state. @param switch_state_arg switch hint state @param type_arg hint type @param check_parent true if hint can be on parent level @return true if hint is already specified, false otherwise */

             false otherwise
  */
  bool set_switch(bool switch_state_arg,
                  opt_hints_enum type_arg,
                  bool check_parent)
  {
    if (is_specified(type_arg) ||
        (check_parent && parent->is_specified(type_arg)))
      return true;

    hints_map.set_switch(type_arg, switch_state_arg);
    return false;
  }

  /**
    Function returns switch hint state.