<?php
// This file is part of Moodle - http://moodle.org/
//
// Moodle is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// Moodle is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.

/**
 * Upgrade script for the quiz module.
 *
 * @package    mod_quiz
 * @copyright  2006 Eloy Lafuente (stronk7)
 * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
 */

defined('MOODLE_INTERNAL') || die();

/**
 * Quiz module upgrade function.
 * @param string $oldversion the version we are upgrading from.
 */
function xmldb_quiz_upgrade($oldversion) {

<     global $CFG;



>     global $CFG, $DB;
>     $dbman = $DB->get_manager();



    // Automatically generated Moodle v3.5.0 release upgrade line.
    // Put any upgrade step following this.

    // Automatically generated Moodle v3.6.0 release upgrade line.
    // Put any upgrade step following this.

    // Automatically generated Moodle v3.7.0 release upgrade line.
    // Put any upgrade step following this.

    // Automatically generated Moodle v3.8.0 release upgrade line.
    // Put any upgrade step following this.

    // Automatically generated Moodle v3.9.0 release upgrade line.

>     // Put any upgrade step following this.
    // Put any upgrade step following this.
> 

>     if ($oldversion < 2020061501) {
    return true;
> 
}
>         // Define field completionminattempts to be added to quiz.
>         $table = new xmldb_table('quiz');
>         $field = new xmldb_field('completionminattempts', XMLDB_TYPE_INTEGER, '10', null, XMLDB_NOTNULL, null, '0',
>             'completionpass');
> 
>         // Conditionally launch add field completionminattempts.
>         if (!$dbman->field_exists($table, $field)) {
>             $dbman->add_field($table, $field);
>         }
> 
>         // Quiz savepoint reached.
>         upgrade_mod_savepoint(true, 2020061501, 'quiz');
>     }
> 
>     // Automatically generated Moodle v3.10.0 release upgrade line.