database/migrations/2025_03_04_050210_link_url_unique.php


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<?php

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

return new class extends Migration
{
    /**
     * Run the migrations.
     */
    public function up(): void
    {
        Schema::table('links', function (Blueprint $table) {
            if (Schema::hasColumn('links', 'url')){
                $table->unique('url');
            }
        });
    }

    /**
     * Reverse the migrations.
     */
    public function down(): void
    {
        Schema::table('roles', function (Blueprint $table) {
            $table->dropUnique('url');
        });
    }
};