$query->where('status', 'completed'); })->get(); 在上述示例中,User模型具有一个orders关系,可以通过whereDoesntHave方法查询没有关联订单的用户,通过whereHas方法查询具有至少一个关联订单且订单状态为"completed"的用户。 对于Laravel框架,腾讯云提供了云服务器CVM、云数据库MySQL、云存储COS等产品,可以用于支持...
For example, imagine you want to retrieve all blog posts that don't have any comments. To do so, you may pass the name of the relationship to the doesntHave method:$posts = App\Post::doesntHave('comments')->get();If you need even more power, you may use the whereDoesntHave method...
// Relation 1 to n from Customer model to Device modelpublicfunctiondevices(){return$this->hasMany('App\Device')->withTrashed(); } Note I've added withTrashed, because I've ALWAYS the need to retrieve softDeleted data. The problem
} My functionuserLinkgives me the error :Relationship method must return an object of type Illuminate\Database\Eloquent\Relations\Relation Also is there another way for me to access the linked user from Drawing with some kind of eager loading trick? I have several different type ofusers...
Ok, so for the example in the README the Message model would have a relation named something like participants, that returns a query with ->whereIn('id', [$sender, $receiver])? Maybe something like this: public function participants(): BelongsToMerged { return $this->belongsToMerged(User...
Then I will find the alternate option with WhereHas but that is not a proper way to do it. Sorry, something went wrong. Post::query() ->withCount(['upvotes'=>function()use(&$query) {$query=$builder; }, ]) ->setBindings($query->getBindings(),'where') ...
$user->posts()->where('active', 1)->get();But, before diving too deep into using relationships, let's learn how to define each type:One To OneA one-to-one relationship is a very basic relation. For example, a User model might be associated with one Phone. To define this ...
I can't seem to figure out where I've gone wrong. Improvement of code will be a bonus. Thank you! I have two models, Conversations and Messages. These are the tables. I intentionally left out the timestamp columns of both tables for this question's purpose. Co...
"message": "SQLSTATE[42S22]: Column not found: 1054 Unknown column 'courts.events_id' in 'where clause' (SQL: select * fromcourtswherecourts.events_id= 1 andcourts.events_idis not null)", Events <?phpnamespaceApp\Models;useIlluminate\Database\Eloquent\Factories\HasFactory;useIlluminate\Data...
To do so, you may pass the name of the relationship to the doesntHave and orDoesntHave methods:$posts = App\Post::doesntHave('comments')->get();If you need even more power, you may use the whereDoesntHave and orWhereDoesntHave methods to put "where" conditions on your doesntHave ...