protected function configureTables()
{
$this->addTable('topic', Table::TOPICS)->addTable('category', LunaTable::CATEGORIES, 'category.id = topic.category_id')->addTable('last_post', Table::POSTS, 'last_post.id = topic.last_reply_post')->addTable('last_user', WarderTable::USERS, 'last_user.id = topic.last_reply_user')->addTable('user', WarderTable::USERS, 'user.id = topic.user_id');
}