小编Fay*_*med的帖子

我创建了一个 post_id 未签名的迁移。如何在新迁移中编辑 post_id 以使其也成功nullable()？

    Schema::create('throttle', function(Blueprint $table)
    {
        $table->increments('id');
        $table->integer('post_id')->unsigned(); // this needs to also be nullable, how should the next migration be?
    }