php-flarum/migrations/2015_02_24_000000_create_posts_table.php

<?php
/*
 * This file is part of Flarum.
 *
 * (c) Toby Zerner <toby.zerner@gmail.com>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

use Illuminate\Database\Schema\Blueprint;
use Illuminate\Database\Schema\Builder;

// We need a full custom migration here, because we need to add the fulltext
// index for the content with a raw SQL statement after creating the table.
return [
    'up' => function (Builder $schema) {
        $schema->create('posts', function (Blueprint $table) {
            $table->increments('id');
            $table->integer('discussion_id')->unsigned();
            $table->integer('number')->unsigned()->nullable();

            $table->dateTime('time');
            $table->integer('user_id')->unsigned()->nullable();
            $table->string('type', 100)->nullable();
            $table->text('content')->nullable();

            $table->dateTime('edit_time')->nullable();
            $table->integer('edit_user_id')->unsigned()->nullable();
            $table->dateTime('hide_time')->nullable();
            $table->integer('hide_user_id')->unsigned()->nullable();

            $table->unique(['discussion_id', 'number']);

            $table->engine = 'MyISAM';
        });

        $prefix = $schema->getConnection()->getTablePrefix();
        $schema->getConnection()->statement('ALTER TABLE '.$prefix.'posts ADD FULLTEXT content (content)');
    },

    'down' => function (Builder $schema) {
        $schema->drop('posts');
    }
];