ganti fk inventory histories

<?php

use Illuminate\Database\Migrations\Migration;
use Illuminate\Database\Schema\Blueprint;
use Illuminate\Support\Facades\Schema;

class ChangeFkOnDeleteInventoryHistories extends Migration
{
    /**
     * Run the migrations.
     *
     * @return void
     */
    public function up()
    {
        Schema::table('inventory_histories', function (Blueprint $table) {
            $table->dropForeign(['ItemId'])->nullable();
            $table->bigInteger('ItemId')->unsigned()->nullable()->change();
            $table->foreign('ItemId')->references('Id')->on('inventories')->onDelete('no action');
        });
    }

    /**
     * Reverse the migrations.
     *
     * @return void
     */
    public function down()
    {
        Schema::table('inventory_histories', function (Blueprint $table) {
            $table->dropForeign(['ItemId'])->nullable();
            $table->bigInteger('ItemId')->unsigned()->change();
            $table->foreign('ItemId')->references('Id')->on('inventories')->onDelete('cascade');
        });
    }
}