Pterodactyl-Panel/database/migrations/2016_08_30_212718_add_ip_alias.php

<?php

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

class AddIpAlias extends Migration
{
    /**
     * Run the migrations.
     *
     * @return void
     */
    public function up()
    {
        Schema::table('allocations', function (Blueprint $table) {
            $table->text('ip_alias')->nullable()->after('ip');
        });

        $allocations = DB::select('SELECT id, ip FROM allocations');
        foreach($allocations as $allocation) {
            DB::update(
                'UPDATE allocations SET ip_alias = :ip WHERE id = :id',
                [
                    'ip' => $allocation->ip,
                    'id' => $allocation->id
                ]
            );
        }
    }

    /**
     * Reverse the migrations.
     *
     * @return void
     */
    public function down()
    {
        Schema::table('allocations', function (Blueprint $table) {
            $table->dropColumn('ip_alias');
        });
    }
}