<?php use Illuminate\Support\Facades\Schema; use Illuminate\Database\Schema\Blueprint; use Illuminate\Database\Migrations\Migration; class CascadeDeletionWhenServiceOptionIsDeleted extends Migration { /** * Run the migrations. */ public function up() { Schema::table('service_variables', function (Blueprint $table) { $table->dropForeign(['option_id']); $table->foreign('option_id')->references('id')->on('service_options')->onDelete('CASCADE'); }); } /** * Reverse the migrations. */ public function down() { Schema::table('service_variables', function (Blueprint $table) { $table->dropForeign(['option_id']); $table->foreign('option_id')->references('id')->on('service_options'); }); } }