jucai/database/migrations/Common/2018_11_22_151855_create_msgs_table.php

<?php

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

class CreateMsgsTable extends Migration
{
    /**
     * Run the migrations.
     *
     * @return void
     */
    public function up()
    {
        Schema::create('msgs', function (Blueprint $table) {
            $table->increments('id');
            $table->integer('parent_id');
            $table->unsignedTinyInteger('spid')->comment('是否有回复（0：无回复，1：有回复）');
            $table->integer('from_uid')->comment('发送者');
            $table->integer('to_uid')->comment('接收者');
            $table->mediumText('message')->comment('信息内容');
            $table->unsignedTinyInteger('is_read')->comment('是否阅读（0：未读，：1已读）');
            $table->timestamps();
        });
    }

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