But, there is a simpler way that few developers know, and is not explicit in the. license MIT package Company\Package / use Illuminate. An example is when we need to perform a cascading update, some indicate the use of static methods in the model.
When a user delete from user table, all sessionrequests related to him want to delete. But, When I delete I got this message SQLSTATE: Integrity constraint violation: 1451 Cannot delete or update a parent row: a foreign key constraint fails (`evaluation_db`.`candidate_skill`, CONSTRAINT `candidate_skills_candidate_id_foreign` FOREIGN KEY (`candidate_id`) REFERENCES `candidates` (`id`)) (SQL: delete from `candidates` where `candidates`.`job_id` = 39 and `candidates`.`job_id` is not null) I want to delete all candidates who apply to this job also. Return $this->belongsTo(\App\Models\Job::class) Return $this->belongsToMany(App\Models\Skill::class) Return $this->hasMany(App\Models\Candidate::class) My understanding is that delete won't trigger the detach implicitly. For example, if a post has an image but it is also shared by a page, the post should not delete that image on cascade. The detach method is used to release a relationship from the pivot table, whilst delete will delete the model record itself i.e. I have 4 tables as below: class Job extend Model When I delete a post, I want to delete all images related to that post, but only if those images are note related to anything else.#LARAVEL ELOQUENT DELETE CASCADE UPDATE#
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