Current Path : C:/Users/Mahmood/Desktop/moodle8/blocks/recentlyaccesseditems/db/ |
Current File : C:/Users/Mahmood/Desktop/moodle8/blocks/recentlyaccesseditems/db/upgrade.php |
<?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 keeps track of upgrades to the recentlyaccesseditems block * * Sometimes, changes between versions involve alterations to database structures * and other major things that may break installations. * * The upgrade function in this file will attempt to perform all the necessary * actions to upgrade your older installation to the current version. * * If there's something it cannot do itself, it will tell you what you need to do. * * The commands in here will all be database-neutral, using the methods of * database_manager class * * Please do not forget to use upgrade_set_timeout() * before any action that may take longer time to finish. * * @package block_recentlyaccesseditems * @copyright 2019 Peter Dias * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later */ defined('MOODLE_INTERNAL') || die(); /** * Upgrade the recentlyaccesseditems db table. * * @param $oldversion * @return bool */ function xmldb_block_recentlyaccesseditems_upgrade($oldversion, $block) { global $DB; // Automatically generated Moodle v3.7.0 release upgrade line. // Put any upgrade step following this. if ($oldversion < 2019052001) { // Query the items to be deleted as a list of IDs. We cannot delete directly from this as a // subquery because MySQL does not support delete with subqueries. $fordeletion = $DB->get_fieldset_sql(" SELECT rai.id FROM {block_recentlyaccesseditems} rai LEFT JOIN {course} c ON c.id = rai.courseid LEFT JOIN {course_modules} cm ON cm.id = rai.cmid WHERE c.id IS NULL OR cm.id IS NULL"); // Delete the array in chunks of 500 (Oracle does not support more than 1000 parameters, // let's leave some leeway, there are likely only one chunk anyway). $chunks = array_chunk($fordeletion, 500); foreach ($chunks as $chunk) { $DB->delete_records_list('block_recentlyaccesseditems', 'id', $chunk); } upgrade_block_savepoint(true, 2019052001, 'recentlyaccesseditems', false); } // Automatically generated Moodle v3.8.0 release upgrade line. // Put any upgrade step following this. return true; }