qasystem/database/migrations/2016_05_05_174022_create_exchanges_table.php

<?php

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

class CreateExchangesTable extends Migration
{
    /**
     * Run the migrations.
     *
     * @return void
     */
    public function up()
    {
        Schema::create('exchanges', function (Blueprint $table) {
            $table->increments('id');
            $table->integer('user_id')->unsigned()->index();
            $table->unsignedInteger('goods_id')->index();
            $table->unsignedInteger('coins')->default(0);
            $table->string('real_name',64);
            $table->string('phone',24);
            $table->string('email',128);
            $table->string('comment',512)->nullable();
            $table->unsignedTinyInteger('status')->default(0);
            $table->timestamps();
        });
    }

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