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See Release Notes
Long Term Support Release

  • Bug fixes for general core bugs in 3.9.x will end* 10 May 2021 (12 months).
  • Bug fixes for security issues in 3.9.x will end* 8 May 2023 (36 months).
  • PHP version: minimum PHP 7.2.0 Note: minimum PHP version has increased since Moodle 3.8. PHP 7.3.x and 7.4.x are supported too.

Differences Between: [Versions 39 and 310] [Versions 39 and 311] [Versions 39 and 400] [Versions 39 and 401] [Versions 39 and 402] [Versions 39 and 403]

   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   * Quiz overview report upgrade script.
  19   *
  20   * @package   quiz_overview
  21   * @copyright 2008 Jamie Pratt
  22   * @license   http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  23   */
  24  
  25  defined('MOODLE_INTERNAL') || die();
  26  
  27  /**
  28   * Quiz overview report upgrade function.
  29   * @param number $oldversion
  30   */
  31  function xmldb_quiz_overview_upgrade($oldversion) {
  32      global $DB;
  33  
  34      $dbman = $DB->get_manager();
  35  
  36      // Automatically generated Moodle v3.5.0 release upgrade line.
  37      // Put any upgrade step following this.
  38  
  39      // Upgrade 2018021800 (now removed) incorrectly added this key
  40      // with a unique constraint, which breaks things because those
  41      // columns are not, in fact, unique. So drop (if it exists) then recreate.
  42      if ($oldversion < 2018061800) {
  43  
  44          // Define key questionusageid-slot (foreign) to be dropped form quiz_overview_regrades.
  45          $table = new xmldb_table('quiz_overview_regrades');
  46  
  47          // There is no key_exists, so test the equivalent index.
  48          $oldindex = new xmldb_index('questionusageid-slot', XMLDB_KEY_UNIQUE, array('questionusageid', 'slot'));
  49  
  50          // Launch drop key questionusageid-slot.
  51          if ($dbman->index_exists($table, $oldindex)) {
  52              $key = new xmldb_key('questionusageid-slot', XMLDB_KEY_FOREIGN, array('questionusageid', 'slot'), 'question_attempts', array('questionusageid', 'slot'));
  53              $dbman->drop_key($table, $key);
  54          }
  55  
  56          // Overview savepoint reached.
  57          upgrade_plugin_savepoint(true, 2018061800, 'quiz', 'overview');
  58      }
  59  
  60      if ($oldversion < 2018061801) {
  61  
  62          // Define key questionusageid-slot (foreign) to be added to quiz_overview_regrades.
  63          $table = new xmldb_table('quiz_overview_regrades');
  64          $key = new xmldb_key('questionusageid-slot', XMLDB_KEY_FOREIGN, array('questionusageid', 'slot'), 'question_attempts', array('questionusageid', 'slot'));
  65  
  66          // Launch add key questionusageid-slot.
  67          $dbman->add_key($table, $key);
  68  
  69          // Overview savepoint reached.
  70          upgrade_plugin_savepoint(true, 2018061801, 'quiz', 'overview');
  71      }
  72  
  73      // Automatically generated Moodle v3.6.0 release upgrade line.
  74      // Put any upgrade step following this.
  75  
  76      // Automatically generated Moodle v3.7.0 release upgrade line.
  77      // Put any upgrade step following this.
  78  
  79      // Automatically generated Moodle v3.8.0 release upgrade line.
  80      // Put any upgrade step following this.
  81  
  82      // Automatically generated Moodle v3.9.0 release upgrade line.
  83      // Put any upgrade step following this.
  84  
  85      return true;
  86  }