php-flarum/migrations/2015_02_24_000000_create_notifications_table.php

<?php

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

class CreateNotificationsTable extends Migration
{

    /**
     * Run the migrations.
     *
     * @return void
     */
    public function up()
    {
        Schema::create('notifications', function (Blueprint $table) {

            $table->increments('id');
            $table->integer('user_id')->unsigned();
            $table->integer('sender_id')->unsigned()->nullable();
            $table->string('type', 100);
            $table->string('subject_type', 200)->nullable();
            $table->integer('subject_id')->unsigned()->nullable();
            $table->binary('data')->nullable();
            $table->dateTime('time');
            $table->boolean('is_read')->default(0);
            $table->boolean('is_deleted')->default(0);
        });
    }

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