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   1  <?php
   2  // This file keeps track of upgrades to
   3  // the survey module
   4  //
   5  // Sometimes, changes between versions involve
   6  // alterations to database structures and other
   7  // major things that may break installations.
   8  //
   9  // The upgrade function in this file will attempt
  10  // to perform all the necessary actions to upgrade
  11  // your older installation to the current version.
  12  //
  13  // If there's something it cannot do itself, it
  14  // will tell you what you need to do.
  15  //
  16  // The commands in here will all be database-neutral,
  17  // using the methods of database_manager class
  18  //
  19  // Please do not forget to use upgrade_set_timeout()
  20  // before any action that may take longer time to finish.
  21  
  22  defined('MOODLE_INTERNAL') || die();
  23  
  24  function xmldb_survey_upgrade($oldversion) {
  25      global $DB;
  26      $dbman = $DB->get_manager(); // Loads ddl manager and xmldb classes.
  27      // Moodle v2.8.0 release upgrade line.
  28      // Put any upgrade step following this.
  29  
  30      // Moodle v2.9.0 release upgrade line.
  31      // Put any upgrade step following this.
  32  
  33      // Moodle v3.0.0 release upgrade line.
  34      // Put any upgrade step following this.
  35  
  36      // Moodle v3.1.0 release upgrade line.
  37      // Put any upgrade step following this.
  38      if ($oldversion < 2016061400) {
  39  
  40          // Define field completionsubmit to be added to survey.
  41          $table = new xmldb_table('survey');
  42          $field = new xmldb_field('completionsubmit', XMLDB_TYPE_INTEGER, '1', null, XMLDB_NOTNULL, null, '0', 'questions');
  43  
  44          // Conditionally launch add field completionsubmit.
  45          if (!$dbman->field_exists($table, $field)) {
  46              $dbman->add_field($table, $field);
  47          }
  48  
  49          // Survey savepoint reached.
  50          upgrade_mod_savepoint(true, 2016061400, 'survey');
  51      }
  52  
  53      return true;
  54  }