moodle/mod/lesson/db/upgrade.php

86 lines
2.9 KiB
PHP

<?php //$Id$
// This file keeps track of upgrades to
// the lesson 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 installtion 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 functions defined in lib/ddllib.php
function xmldb_lesson_upgrade($oldversion=0) {
global $CFG, $THEME, $db;
$result = true;
if ($result && $oldversion < 2006091802) {
/// Changing nullability of field response on table lesson_answers to null
$table = new XMLDBTable('lesson_answers');
$field = new XMLDBField('response');
$field->setAttributes(XMLDB_TYPE_TEXT, 'small', null, null, null, null, null, null, 'answer');
/// Launch change of nullability for field response
$result = $result && change_field_notnull($table, $field);
}
if ($result && $oldversion < 2006091803) {
/// Changing nullability of field useranswer on table lesson_attempts to null
$table = new XMLDBTable('lesson_attempts');
$field = new XMLDBField('useranswer');
$field->setAttributes(XMLDB_TYPE_TEXT, 'small', null, null, null, null, null, null, 'correct');
/// Launch change of nullability for field useranswer
$result = $result && change_field_notnull($table, $field);
}
if ($result && $oldversion < 2007020201) {
/// Changing nullability of field answer on table lesson_answers to null
$table = new XMLDBTable('lesson_answers');
$field = new XMLDBField('answer');
$field->setAttributes(XMLDB_TYPE_TEXT, 'small', null, null, null, null, null, null, 'timemodified');
/// Launch change of nullability for field answer
$result = $result && change_field_notnull($table, $field);
}
if ($result && $oldversion < 2007072200) {
require_once($CFG->dirroot.'/mod/lesson/lib.php');
// too much debug output
$db->debug = false;
lesson_update_grades();
$db->debug = true;
}
if ($result && $oldversion < 2007072201) {
$table = new XMLDBTable('lesson');
$field = new XMLDBField('usegrademax');
$field2 = new XMLDBField('usemaxgrade');
/// Rename lesson->usegrademax to lesson->usemaxgrade. Some old sites can have it incorrect. MDL-13177
if (field_exists($table, $field) && !field_exists($table, $field2)) {
/// Set field specs
$field->setAttributes(XMLDB_TYPE_INTEGER, '3', null, XMLDB_NOTNULL, null, null, null, '0', 'ongoing');
/// Launch rename field usegrademax to usemaxgrade
$result = $result && rename_field($table, $field, 'usemaxgrade');
}
}
return $result;
}
?>