clrghouz/database/migrations/2023_06_23_170537_unique_filenames.php

<?php

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

return new class extends Migration
{
    /**
     * Run the migrations.
     *
     * @return void
     */
	// delete from files where id in (130,110,25,49,50,51,52,53,73,105,4,44,60,83,85,63,88,90,66,68,70,72,75,78,80,123,124,127,1,102,104,107,109,113,115,117,2,119)
    public function up()
    {
		DB::statement('ALTER TABLE files RENAME COLUMN file to name');
		DB::statement('ALTER TABLE files RENAME COLUMN lfile to lname');

        Schema::table('files',function (Blueprint $table) {
			$table->unique(['filearea_id','name']);
		});
    }

    /**
     * Reverse the migrations.
     *
     * @return void
     */
    public function down()
    {
		Schema::table('files',function (Blueprint $table) {
			$table->dropUnique(['filearea_id','name']);
		});
    }
};