<?php

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

class CreateUserRolesTable extends Migration
{
    /**
     * Run the migrations.
     *
     * @return void
     */
    public function up()
    {
        Schema::create('user_roles', function (Blueprint $table) {
            $table->bigIncrements('id');
            $table->unsignedBigInteger('user_id')->default(0)->comment('用户id');
            $table->unsignedBigInteger('role_id')->default(0)->comment('角色id');
            $table->timestamps();
            $table->softDeletes();
        });
        DB::statement("ALTER TABLE `user_roles` comment'用户角色表'"); // 表注释
    }

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