Eloy Lafuente (stronk7)
80 lines
3.0 KiB
PHP
80 lines
3.0 KiB
PHP
<?php
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// This file is part of Moodle - http://moodle.org/
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//
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// Moodle is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// Moodle is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with Moodle. If not, see <http://www.gnu.org/licenses/>.
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/**
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* This file keeps track of upgrades to the recentlyaccesseditems block
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*
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* Sometimes, changes between versions involve alterations to database structures
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* and other major things that may break installations.
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*
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* The upgrade function in this file will attempt to perform all the necessary
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* actions to upgrade your older installation to the current version.
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*
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* If there's something it cannot do itself, it will tell you what you need to do.
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*
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* The commands in here will all be database-neutral, using the methods of
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* database_manager class
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*
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* Please do not forget to use upgrade_set_timeout()
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* before any action that may take longer time to finish.
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*
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* @package block_recentlyaccesseditems
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* @copyright 2019 Peter Dias
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* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
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*/
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defined('MOODLE_INTERNAL') || die();
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/**
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* Upgrade the recentlyaccesseditems db table.
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*
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* @param $oldversion
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* @return bool
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*/
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function xmldb_block_recentlyaccesseditems_upgrade($oldversion, $block) {
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global $DB;
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// Automatically generated Moodle v3.7.0 release upgrade line.
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// Put any upgrade step following this.
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if ($oldversion < 2019052001) {
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// Query the items to be deleted as a list of IDs. We cannot delete directly from this as a
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// subquery because MySQL does not support delete with subqueries.
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$fordeletion = $DB->get_fieldset_sql("
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SELECT rai.id
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FROM {block_recentlyaccesseditems} rai
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LEFT JOIN {course} c ON c.id = rai.courseid
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LEFT JOIN {course_modules} cm ON cm.id = rai.cmid
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WHERE c.id IS NULL OR cm.id IS NULL");
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// Delete the array in chunks of 500 (Oracle does not support more than 1000 parameters,
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// let's leave some leeway, there are likely only one chunk anyway).
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$chunks = array_chunk($fordeletion, 500);
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foreach ($chunks as $chunk) {
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$DB->delete_records_list('block_recentlyaccesseditems', 'id', $chunk);
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}
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upgrade_block_savepoint(true, 2019052001, 'recentlyaccesseditems', false);
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}
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// Automatically generated Moodle v3.8.0 release upgrade line.
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// Put any upgrade step following this.
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// Automatically generated Moodle v3.9.0 release upgrade line.
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// Put any upgrade step following this.
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return true;
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}
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