使用Laravel 5 和 Eloquent 通过模型关系执行 where 的最佳方法是什么?原文由 Lic 发布,翻译遵循 CC BY-SA 4.0 许可协议 phplaraveleloquentrelationshipwhere-clause 有用关注收藏 回复 阅读211 2 个回答 得票最新 社区维基1 发布于 2023-01-12 ✓ 已被采纳 对您的关系执行此操作的正确语法是:...
When querying for the children of a "belongs to" relationship, you may manually build the where clause to retrieve the corresponding Eloquent models:use App\Models\Post; $posts = Post::where('user_id', $user->id)->get();However, you may find it more convenient to use the whereBelongs...
0 Laravel: How can I use where on a with statement? 25 Laravel Eloquent Many-to-Many query whereIn 1 Laravel eloquent "with" and "where" with multiple tables 0 Laravel Eloquent with 'with' and 'wherehas' 1 laravel eloquent relationship using "with", "whereHas" and ...
By default, Laravel will determine the relationship associated with the given model based on the class name of the model; however, you may specify the relationship name manually by providing it as the second argument to the whereBelongsTo method:...
Order::where('price', '>', 100)->searchable();If you would like to update the search index records for all of the models in a relationship, you may invoke the searchable on the relationship instance:$user->orders()->searchable();...
Obviously, this is a self-referential many-to-many relationship. I have the following methods defined in the Thing model: public function parentOf (){ return $this->belongsToMany(Thing::class, 'thing_thing', 'parent_id', 'child_id'); } public function childOf(){ return $this->belongs...
The apply method receives an Illuminate\Database\Eloquent\Builder query builder object, and is responsible for adding any additional where clauses that the scope wishes to add. The remove method also receives a Builder object and is responsible for reversing the action taken by apply. In other ...
As chunkById is using the id field which is an integer, and the query is using awhere clause, the query will be much faster. When can you use chunkById? If your database table has aprimary key columncolumn, which is an auto-incrementing field. ...
$user->posts()->where('created_at', ">", "2018-01-01"); Relation实例会将这些调用通过__call转发给子模型的Eloquent Builder去执行。 abstract class Relation { /** * Handle dynamic method calls to the relationship. * * @param string $method ...
In the above example, Eloquent will attempt to match the user_id from the phone to an id on the User model. Eloquent will determine the default foreign key name by examining the name of the relationship method and suffixing the method name with _id. But, in the case where the foreign ...