BookStack/database/migrations/2015_08_31_175240_add_search_indexes.php

<?php

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

class AddSearchIndexes extends Migration
{
    /**
     * Run the migrations.
     *
     * @return void
     */
    public function up()
    {
        $prefix = DB::getTablePrefix();
        DB::statement("ALTER TABLE {$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.
     *
     * @return void
     */
    public function down()
    {
        Schema::table('pages', function(Blueprint $table) {
            $table->dropIndex('search');
        });
        Schema::table('books', function(Blueprint $table) {
            $table->dropIndex('search');
        });
        Schema::table('chapters', function(Blueprint $table) {
            $table->dropIndex('search');
        });
    }
}