MDL-69848 upgrade: Delete notifications in chunks
[moodle.git] / message / output / popup / db / upgrade.php
... / ...
CommitLineData
1<?php
2// This file is part of Moodle - http://moodle.org/
3//
4// Moodle is free software: you can redistribute it and/or modify
5// it under the terms of the GNU General Public License as published by
6// the Free Software Foundation, either version 3 of the License, or
7// (at your option) any later version.
8//
9// Moodle is distributed in the hope that it will be useful,
10// but WITHOUT ANY WARRANTY; without even the implied warranty of
11// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12// GNU General Public License for more details.
13//
14// You should have received a copy of the GNU General Public License
15// along with Moodle. If not, see <http://www.gnu.org/licenses/>.
16
17/**
18 * Upgrade code for popup message processor
19 *
20 * @package message_popup
21 * @copyright 2008 Luis Rodrigues
22 * @license http://www.gnu.org/copyleft/gpl.html GNU Public License
23 */
24
25defined('MOODLE_INTERNAL') || die();
26
27/**
28 * Upgrade code for the popup message processor
29 *
30 * @param int $oldversion The version that we are upgrading from
31 */
32function xmldb_message_popup_upgrade($oldversion) {
33 global $DB;
34
35 // Automatically generated Moodle v3.5.0 release upgrade line.
36 // Put any upgrade step following this.
37
38 // Automatically generated Moodle v3.6.0 release upgrade line.
39 // Put any upgrade step following this.
40
41 // Automatically generated Moodle v3.7.0 release upgrade line.
42 // Put any upgrade step following this.
43
44 // Automatically generated Moodle v3.8.0 release upgrade line.
45 // Put any upgrade step following this.
46
47 if ($oldversion < 2020020600) {
48 // Clean up orphaned popup notification records.
49 $fromsql = "FROM {message_popup_notifications} mpn
50 LEFT JOIN {notifications} n
51 ON mpn.notificationid = n.id
52 WHERE n.id IS NULL";
53 $total = $DB->count_records_sql("SELECT COUNT(mpn.id) " . $fromsql);
54 $i = 0;
55 $pbar = new progress_bar('deletepopupnotification', 500, true);
56 do {
57 if ($popupnotifications = $DB->get_records_sql("SELECT mpn.id " . $fromsql, null, 0, 1000)) {
58 list($insql, $inparams) = $DB->get_in_or_equal(array_keys($popupnotifications));
59 $DB->delete_records_select('message_popup_notifications', "id $insql", $inparams);
60 // Update progress.
61 $i += count($inparams);
62 $pbar->update($i, $total, "Cleaning up orphaned popup notification records - $i/$total.");
63 }
64 } while ($popupnotifications);
65
66 // Reportbuilder savepoint reached.
67 upgrade_plugin_savepoint(true, 2020020600, 'message', 'popup');
68 }
69
70 // Automatically generated Moodle v3.9.0 release upgrade line.
71 // Put any upgrade step following this.
72
73 return true;
74}