BookStack/database/migrations/2015_09_04_165821_create_social_accounts_table.php

<?php

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

class CreateSocialAccountsTable extends Migration
{
    /**
     * Run the migrations.
     *
     * @return void
     */
    public function up()
    {
        Schema::create('social_accounts', function (Blueprint $table) {
            $table->increments('id');
            $table->integer('user_id')->indexed();
            $table->string('driver')->indexed();
            $table->string('driver_id');
            $table->string('avatar');
            $table->timestamps();
        });
    }

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