Cachet/database/migrations/2017_06_13_181049_CreateMetaTable.php

<?php

/*
 * This file is part of Cachet.
 *
 * (c) Alt Three Services Limited
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

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

class CreateMetaTable extends Migration
{
    /**
     * Run the migrations.
     *
     * @return void
     */
    public function up()
    {
        Schema::create('meta', function (Blueprint $table) {
            $table->increments('id');
            $table->string('key')->index();
            $table->string('value');
            $table->integer('meta_id')->unsigned();
            $table->string('meta_type');
            $table->timestamps();

            $table->index(['meta_id', 'meta_type']);
        });
    }

    /**
     * Reverse the migrations.
     *
     * @return void
     */
    public function down()
    {
        Schema::dropIfExists('meta');
    }
}