<?php
// This file keeps track of upgrades to
// the choice module
//
// 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.

defined('MOODLE_INTERNAL') || die();

function xmldb_choice_upgrade($oldversion) {

<     global $CFG;



>     global $CFG, $DB;
> 
>     $dbman = $DB->get_manager();



    // Automatically generated Moodle v3.5.0 release upgrade line.
    // Put any upgrade step following this.

    // Automatically generated Moodle v3.6.0 release upgrade line.
    // Put any upgrade step following this.

    // Automatically generated Moodle v3.7.0 release upgrade line.
    // Put any upgrade step following this.

    // Automatically generated Moodle v3.8.0 release upgrade line.
    // Put any upgrade step following this.

    // Automatically generated Moodle v3.9.0 release upgrade line.

>     // Put any upgrade step following this.
    // Put any upgrade step following this.
> 

>     if ($oldversion < 2020061600) {
    return true;
>         // Define field showavailable to be added to choice.
}
>         $table = new xmldb_table('choice');
>         $field = new xmldb_field('showavailable', XMLDB_TYPE_INTEGER, '1', null, XMLDB_NOTNULL, null, '0', 'completionsubmit');
> 
>         if (!$dbman->field_exists($table, $field)) {
>             $dbman->add_field($table, $field);
>         }
> 
>         // Choice savepoint reached.
>         upgrade_mod_savepoint(true, 2020061600, 'choice');
>     }
> 
>     // Automatically generated Moodle v3.10.0 release upgrade line.