Many-to-many relationship is belongsToMany on both models: // Task model public function users() { return $this->belongsToMany('User', 'user_tasks'); // assuming user_id and task_id as fk } // User model public function tasks() { return $this->belongsToMany('Task', 'user_tasks...
I have a recursive relationship, where modelQuestionhas one to many relationship to table itself. Columnparent_question_idwill refer toidinquestionstable. InQuestion model: /** * Get the parent that owns the question. */publicfunctionparent(){return$this->belongsTo('App\Question','parent_quest...
This question extends the example Eloquent : Working With Pivot Tables provided in the Laravel Documentation. The relationship here is that a User has many Role objects that it can relate to. In this ... Finding solution to maze in java ...
You need a nested loop as far as I can make out - I don'tknow exactly what you are trying to do inside the existing loop - whydetachand theattach- should you be usingsync; is this a belongsToMany relationship at all? publicfunctionupdate(array$data= [],$prod_id){$variations= Varia...
的方式和应用一起运行，SideCar 和应用通过 Unix Domain Socket 进行通讯。为了方便用户，在开发的时候不必在自己的开发环境中跑一个 SideCar，我用 socat 在一台开发环境的机器上 map UDS 到一个端口。这样用户在开发的时候就可以直接通过这个 TCP 端口测试服务，而不用自己开一个 SideCar 使用 UDS 了。
I'm new in the Laravel world, so may this questions sounds silly. I'm playing arround with models and relationships and a doubt popped up when I was traying detach a many to many relationship. This is the code which I was playing with: ...
Can I create a predicate based on the properties of child class objects? I have two classes: Activity and Action. Activity is the parent class, Action are the child, this is a one to many relationship. In setting up a NSFetchedResultsController I would like to set a predic......
Inside theifblock, you have to start by checking if the requested list exists, otherwise create a new list with the provided name. Then, you’ll use theassociate()method to update the relationship between this link and its “parent” list. Thesave()method, finally, will persist the changes...
Laravel Eloquent是Laravel框架中的一种ORM(对象关系映射)工具,用于简化数据库操作。在Laravel中,Eloquent提供了多种方法来进行数据库查询和关联操作。 在进行多表关联查询时,可以使用Eloquent的with方法来实现。with方法可以在查询时预加载相关的关联模型数据,避免了N+1查询问题,提高了查询效率。
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