`teams_id` as `pivot_teams_id`, `champions_teams`.`champions_id` as `pivot_champions_id`, `champions_teams`.`champion_id` as `pivot_champion_id` from `champions` inner join `champions_teams` on `champions`.`id` = `champions_teams`.`champ
我有错误,指示'reservation_id‘没有默认值。这个reservation_id of table reservation_participate_details是来自父表订座的id列的外键。我想知道是否与hasMany或belongsTo有关。我对laravel还不太熟悉。reservation_participate_details.中的保留表应该/有许多行这个过程以前是工作的,但是当我将reservation_participate_details的一个列(reservation_par