方法 addEagerConstraints 不存在 [英] Method addEagerConstraints does not exist

问题描述

我有两个模型，用户和事件.我在用户和事件之间制作了一个数据透视表，invitations 和 status 列.在我的事件模型定义中，我写了这个:

I have two models, User and Event. I made a pivot table, invitations between User and Event with a status column. In my Event model definition, I wrote this :

public function invited()
{
    return $this->belongsToMany(User::class, 'invitations', 'event_id', 'user_id')
        ->withTimestamps()
        ->withPivot('status')
        ->orderByDesc('invitations.updated_at');
}

public function participants()
{
    $event = $this->with([
        'invited' => function ($query) {
            $query->where('invitations.status', InvitationStatus::ACCEPTED)->get();
        }
    ])->first();

    return $event->invited;
}

但是当我在控制器中时:

But when in my controller I do :

$event = Event::where('id', $id)->with(['owner', 'participants'])->first();

我有以下错误:

(1/1) BadMethodCallException
Method addEagerConstraints does not exist.

有人知道为什么吗?

推荐答案

当您尝试这样做时:

->with('participants')

Laravel 期望得到一个关系实例.换句话说，您不能将此方法用作关系.

Laravel expects to get a relationship instance. In other words, you can't use this method as a relation.

这篇关于方法 addEagerConstraints 不存在的文章就介绍到这了，希望我们推荐的答案对大家有所帮助，也希望大家多多支持IT屋！