invoiceninja/database/migrations/2023_02_05_042351_add_foreign_key_for_vendors.php

<?php

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

return new class extends Migration
{
    /**
     * Run the migrations.
     *
     * @return void
     */
    public function up()
    {
        // Schema::table('purchase_orders', function (Blueprint $table){

        //     $table->foreign('vendor_id')->references('id')->on('vendors')->onDelete('cascade')->onUpdate('cascade');

        // });
    }

    /**
     * Reverse the migrations.
     *
     * @return void
     */
    public function down()
    {
        //
    }
};