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<?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/>. /** * This file contains datbase upgrade code that is called from lib/db/upgrade.php, * and also check methods that can be used for pre-install checks via * admin/environment.php and lib/environmentlib.php. * * @package moodlecore * @subpackage questionbank * @copyright 2007 The Open University * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later */ defined('MOODLE_INTERNAL') || die(); /** * In Moodle, all random questions should have question.parent set to be the same * as question.id. One effect of MDL-5482 is that this will not be true for questions that * were backed up then restored. The probably does not cause many problems, except occasionally, * if the bogus question.parent happens to point to a multianswer question type, or when you * try to do a subsequent backup. Anyway, these question.parent values should be fixed, and * that is what this update does. */ function question_fix_random_question_parents() { global $CFG, $DB; $DB->execute("UPDATE {question} SET parent = id WHERE qtype = 'random' AND parent <> id"); return true; }