<?php

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

return new class extends Migration
{
    public function up(): void
    {
        Schema::table('slave_sites', function (Blueprint $table) {
            // 1. 不允许为空 2. 必须唯一 3. 放在 id 后面
            $table->string('sCode')->unique()->after('id');
        });
    }

    public function down(): void
    {
        Schema::table('slave_sites', function (Blueprint $table) {
            // 撤退时，如果是 SQLite 以外的数据库，直接删字段就行
            $table->dropColumn('sCode');
        });
    }
};