在Laravel中,模型之间的关联关系可以通过使用Pivot表来定义。Pivot表是用于表示多对多关系的中间表,它包含了额外的字段,用于存储关联模型之间的其他信息。在定义模型之间的多对多关系时,可以使用withPivot方法来指定需要在Pivot表中使用的额外字段。 然而,Laravel的withPivot方法在默认情况下不会返回透视额外字段的值。这...
可能定义为return $this->belongsToMany(Subscriber::class);（或类似）。当您呼叫$q->wherePivot(/* ...
//DTO返回JSON时，不展示某字段 @JsonIgnore private String addresses; //DTO返回JSON时，更改某...
publicfunctioncourses(){return$this->belongsToMany('App\\Models\\Course')// pass a closure to group your constraints->where(function($query){return$query->where('course_user.relation_type',1)->orWhere('course_user.relation_type',0);})->withPivot('relation_type','created_at','updated_a...
Attach all of the records that aren't in the given current records. Parameters array$records array$current bool$touch Return Value array at line 185 intupdateExistingPivot(mixed $id, array $attributes, bool $touch = true) Update an existing pivot record on the table. ...
The main differences in this fork include:Huge boost of performance utilizing rinvex/laravel-cacheable Serialize and deserialize the entity with it's relations Laravel integrated without framework-agnostic overhead complexity Attributes could be attached to none, one, or more entities through pivot ...
class Node extends Model { use \Staudenmeir\LaravelAdjacencyList\Eloquent\HasGraphRelationships; public function getPivotTableName(): string { return 'edges'; } }By default, the trait expects a parent key named parent_id and child key named child_id in the pivot table. You can customize ...
SQLSTATE[23000]: Integrity constraint violation: 1052 Column 'id' in field list is ambiguous (SQL: select `id`, ` name`, `edu_gradation_subject`.`edu_gradation_id` as `pivot_edu_gradation_id`, `edu_gradation_subject`.`edu_subject_id` as `pivot_edu_subject_id` from `edu_subjects` ...
withLaravel 7.xVuejs and PusherLaravel 8.xAPI Permissions Using Passport Scope Laravel and N + 1 Problem | How To Fix N + 1 ProblemLaravel 8.xQueues Example with Redis and Horizon How to Use Circuit Breaker Design Pattern in Laravel Avoid Pivot Table and Use Json Column in Laravel ...
laravel速记(笔记) 命令行: php artisan controller:make UserController This will generate the controller at /app/controller/user.php and user.php. php artisan db:seed --class=AuthorTableSeeder 1. php artisan db:seed,可以执行多个填充类。该方法是执行的DatabaseSeeder这个类...