bookstack/database/migrations/2015_08_31_175240_add_search_indexes.php

<?php

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

return new class extends Migration
{
    /**
     * Run the migrations.
     */
    public function up()
    {
        // This was removed for v0.24 since these indexes are removed anyway
        // and will cause issues for db engines that don't support such indexes.

//        $prefix = DB::getTablePrefix();
//        DB::statement("ALTER TABLE {$prefix}pages ADD FULLTEXT search(name, text)");
//        DB::statement("ALTER TABLE {$prefix}books ADD FULLTEXT search(name, description)");
//        DB::statement("ALTER TABLE {$prefix}chapters ADD FULLTEXT search(name, description)");
    }

    /**
     * Reverse the migrations.
     */
    public function down(): void
    {
        if (Schema::hasIndex('pages', 'search')) {
            Schema::table('pages', function (Blueprint $table) {
                $table->dropIndex('search');
            });
        }

        if (Schema::hasIndex('books', 'search')) {
            Schema::table('books', function (Blueprint $table) {
                $table->dropIndex('search');
            });
        }

        if (Schema::hasIndex('chapters', 'search')) {
            Schema::table('chapters', function (Blueprint $table) {
                $table->dropIndex('search');
            });
        }
    }
};