hyperf-chat/migrations/2020_11_04_153553_create_users_friends_table.php

<?php

use Hyperf\Database\Schema\Schema;
use Hyperf\Database\Schema\Blueprint;
use Hyperf\Database\Migrations\Migration;
use Hyperf\DbConnection\Db;

class CreateUsersFriendsTable extends Migration
{
    /**
     * Run the migrations.
     */
    public function up(): void
    {
        Schema::create('users_friends', function (Blueprint $table) {
            $table->unsignedInteger('id', true)->comment('关系ID');
            $table->unsignedInteger('user_id')->default(0)->comment('用户ID');
            $table->unsignedInteger('friend_id')->default(0)->comment('好友ID');
            $table->string('remark', 30)->default('')->comment('好友备注');
            $table->unsignedTinyInteger('status')->default(0)->comment('好友状态[0:否;1:是;]');
            $table->dateTime('created_at')->nullable(true)->comment('创建时间');
            $table->dateTime('updated_at')->nullable(true)->comment('更新时间');

            $table->charset   = 'utf8';
            $table->collation = 'utf8_general_ci';
            $table->engine    = 'InnoDB';

            $table->index(['user_id', 'friend_id'], 'idx_user_id_friend_id');
        });

        $prefix = config('databases.default.prefix');
        DB::statement("ALTER TABLE `{$prefix}users_friends` comment '用户好友关系表'");
    }

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