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upgrade.php
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upgrade.php
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<?php
// This file is part of Moodle - http://moodle.org/
//
// Moodle is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// Moodle is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with Moodle. If not, see <http://www.gnu.org/licenses/>.
/**
* This file keeps track of upgrades to Moodle.
*
* 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.
*
* @package core_install
* @category upgrade
* @copyright 2006 onwards Martin Dougiamas http://dougiamas.com
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
defined('MOODLE_INTERNAL') || die();
/**
* Main upgrade tasks to be executed on Moodle version bump
*
* This function is automatically executed after one bump in the Moodle core
* version is detected. It's in charge of performing the required tasks
* to raise core from the previous version to the next one.
*
* It's a collection of ordered blocks of code, named "upgrade steps",
* each one performing one isolated (from the rest of steps) task. Usually
* tasks involve creating new DB objects or performing manipulation of the
* information for cleanup/fixup purposes.
*
* Each upgrade step has a fixed structure, that can be summarised as follows:
*
* if ($oldversion < XXXXXXXXXX.XX) {
* // Explanation of the update step, linking to issue in the Tracker if necessary
* upgrade_set_timeout(XX); // Optional for big tasks
* // Code to execute goes here, usually the XMLDB Editor will
* // help you here. See {@link http://docs.moodle.org/dev/XMLDB_editor}.
* upgrade_main_savepoint(true, XXXXXXXXXX.XX);
* }
*
* All plugins within Moodle (modules, blocks, reports...) support the existence of
* their own upgrade.php file, using the "Frankenstyle" component name as
* defined at {@link http://docs.moodle.org/dev/Frankenstyle}, for example:
* - {@link xmldb_page_upgrade($oldversion)}. (modules don't require the plugintype ("mod_") to be used.
* - {@link xmldb_auth_manual_upgrade($oldversion)}.
* - {@link xmldb_workshopform_accumulative_upgrade($oldversion)}.
* - ....
*
* In order to keep the contents of this file reduced, it's allowed to create some helper
* functions to be used here in the {@link upgradelib.php} file at the same directory. Note
* that such a file must be manually included from upgrade.php, and there are some restrictions
* about what can be used within it.
*
* For more information, take a look to the documentation available:
* - Data definition API: {@link http://docs.moodle.org/dev/Data_definition_API}
* - Upgrade API: {@link http://docs.moodle.org/dev/Upgrade_API}
*
* @param int $oldversion
* @return bool always true
*/
function xmldb_main_upgrade($oldversion) {
global $CFG, $USER, $DB, $OUTPUT, $SITE, $COURSE;
require_once($CFG->libdir.'/db/upgradelib.php'); // Core Upgrade-related functions
$dbman = $DB->get_manager(); // loads ddl manager and xmldb classes
if ($oldversion < 2011120500) {
// just in case somebody hacks upgrade scripts or env, we really can not continue
echo("You need to upgrade to 2.2.x first!\n");
exit(1);
// Note this savepoint is 100% unreachable, but needed to pass the upgrade checks
upgrade_main_savepoint(true, 2011120500);
}
// Moodle v2.2.0 release upgrade line
// Put any upgrade step following this
if ($oldversion < 2011120500.02) {
upgrade_set_timeout(60*20); // This may take a while
// MDL-28180. Some missing restrictions in certain backup & restore operations
// were causing incorrect duplicates in the course_completion_aggr_methd table.
// This upgrade step takes rid of them.
$sql = 'SELECT course, criteriatype, MIN(id) AS minid
FROM {course_completion_aggr_methd}
GROUP BY course, criteriatype
HAVING COUNT(*) > 1';
$duprs = $DB->get_recordset_sql($sql);
foreach ($duprs as $duprec) {
// We need to handle NULLs in criteriatype diferently
if (is_null($duprec->criteriatype)) {
$where = 'course = ? AND criteriatype IS NULL AND id > ?';
$params = array($duprec->course, $duprec->minid);
} else {
$where = 'course = ? AND criteriatype = ? AND id > ?';
$params = array($duprec->course, $duprec->criteriatype, $duprec->minid);
}
$DB->delete_records_select('course_completion_aggr_methd', $where, $params);
}
$duprs->close();
// Main savepoint reached
upgrade_main_savepoint(true, 2011120500.02);
}
if ($oldversion < 2011120500.03) {
// Changing precision of field value on table user_preferences to (1333)
$table = new xmldb_table('user_preferences');
$field = new xmldb_field('value', XMLDB_TYPE_CHAR, '1333', null, XMLDB_NOTNULL, null, null, 'name');
// Launch change of precision for field value
$dbman->change_field_precision($table, $field);
// Main savepoint reached
upgrade_main_savepoint(true, 2011120500.03);
}
if ($oldversion < 2012020200.03) {
// Define index rolecontext (not unique) to be added to role_assignments
$table = new xmldb_table('role_assignments');
$index = new xmldb_index('rolecontext', XMLDB_INDEX_NOTUNIQUE, array('roleid', 'contextid'));
// Conditionally launch add index rolecontext
if (!$dbman->index_exists($table, $index)) {
$dbman->add_index($table, $index);
}
// Define index usercontextrole (not unique) to be added to role_assignments
$index = new xmldb_index('usercontextrole', XMLDB_INDEX_NOTUNIQUE, array('userid', 'contextid', 'roleid'));
// Conditionally launch add index usercontextrole
if (!$dbman->index_exists($table, $index)) {
$dbman->add_index($table, $index);
}
// Main savepoint reached
upgrade_main_savepoint(true, 2012020200.03);
}
if ($oldversion < 2012020200.06) {
// Previously we always allowed users to override their email address via the messaging system
// We have now added a setting to allow admins to turn this this ability on and off
// While this setting defaults to 0 (off) we're setting it to 1 (on) to maintain the behaviour for upgrading sites
set_config('messagingallowemailoverride', 1);
// Main savepoint reached
upgrade_main_savepoint(true, 2012020200.06);
}
if ($oldversion < 2012021700.01) {
// Changing precision of field uniquehash on table post to 255
$table = new xmldb_table('post');
$field = new xmldb_field('uniquehash', XMLDB_TYPE_CHAR, '255', null, XMLDB_NOTNULL, null, null, 'content');
// Launch change of precision for field uniquehash
$dbman->change_field_precision($table, $field);
// Main savepoint reached
upgrade_main_savepoint(true, 2012021700.01);
}
if ($oldversion < 2012021700.02) {
// Somewhere before 1.9 summary and content column in post table were not null. In 1.9+
// not null became false.
$columns = $DB->get_columns('post');
// Fix discrepancies in summary field after upgrade from 1.9
if (array_key_exists('summary', $columns) && $columns['summary']->not_null != false) {
$table = new xmldb_table('post');
$summaryfield = new xmldb_field('summary', XMLDB_TYPE_TEXT, 'big', null, null, null, null, 'subject');
if ($dbman->field_exists($table, $summaryfield)) {
$dbman->change_field_notnull($table, $summaryfield);
}
}
// Fix discrepancies in content field after upgrade from 1.9
if (array_key_exists('content', $columns) && $columns['content']->not_null != false) {
$table = new xmldb_table('post');
$contentfield = new xmldb_field('content', XMLDB_TYPE_TEXT, 'big', null, null, null, null, 'summary');
if ($dbman->field_exists($table, $contentfield)) {
$dbman->change_field_notnull($table, $contentfield);
}
}
upgrade_main_savepoint(true, 2012021700.02);
}
// The ability to backup user (private) files is out completely - MDL-29248
if ($oldversion < 2012030100.01) {
unset_config('backup_general_user_files', 'backup');
unset_config('backup_general_user_files_locked', 'backup');
unset_config('backup_auto_user_files', 'backup');
upgrade_main_savepoint(true, 2012030100.01);
}
if ($oldversion < 2012030900.01) {
// Migrate all numbers to signed & all texts and binaries to big size.
// It should be safe to interrupt this and continue later.
upgrade_mysql_fix_unsigned_and_lob_columns();
// Main savepoint reached
upgrade_main_savepoint(true, 2012030900.01);
}
if ($oldversion < 2012031500.01) {
// Upgrade old course_allowed_modules data to be permission overrides.
if ($CFG->restrictmodulesfor === 'all') {
$courses = $DB->get_records_menu('course', array(), 'id', 'id, 1');
} else if ($CFG->restrictmodulesfor === 'requested') {
$courses = $DB->get_records_menu('course', array('restrictmodules' => 1), 'id', 'id, 1');
} else {
$courses = array();
}
if (!$dbman->table_exists('course_allowed_modules')) {
// Upgrade must already have been run on this server. This might happen,
// for example, during development of these changes.
$courses = array();
}
$modidtoname = $DB->get_records_menu('modules', array(), 'id', 'id, name');
$coursecount = count($courses);
if ($coursecount) {
$pbar = new progress_bar('allowedmods', 500, true);
$transaction = $DB->start_delegated_transaction();
}
$i = 0;
foreach ($courses as $courseid => $notused) {
$i += 1;
upgrade_set_timeout(60); // 1 minute per course should be fine.
$allowedmoduleids = $DB->get_records_menu('course_allowed_modules',
array('course' => $courseid), 'module', 'module, 1');
if (empty($allowedmoduleids)) {
// This seems to be the best match for backwards compatibility,
// not necessarily with the old code in course_allowed_module function,
// but with the code that used to be in the coures settings form.
$allowedmoduleids = explode(',', $CFG->defaultallowedmodules);
$allowedmoduleids = array_combine($allowedmoduleids, $allowedmoduleids);
}
$context = context_course::instance($courseid);
list($roleids) = get_roles_with_cap_in_context($context, 'moodle/course:manageactivities');
list($managerroleids) = get_roles_with_cap_in_context($context, 'moodle/site:config');
foreach ($managerroleids as $roleid) {
unset($roleids[$roleid]);
}
foreach ($modidtoname as $modid => $modname) {
if (isset($allowedmoduleids[$modid])) {
// Module is allowed, no worries.
continue;
}
$capability = 'mod/' . $modname . ':addinstance';
foreach ($roleids as $roleid) {
assign_capability($capability, CAP_PREVENT, $roleid, $context);
}
}
$pbar->update($i, $coursecount, "Upgrading legacy course_allowed_modules data - $i/$coursecount.");
}
if ($coursecount) {
$transaction->allow_commit();
}
upgrade_main_savepoint(true, 2012031500.01);
}
if ($oldversion < 2012031500.02) {
// Define field restrictmodules to be dropped from course
$table = new xmldb_table('course');
$field = new xmldb_field('restrictmodules');
// Conditionally launch drop field requested
if ($dbman->field_exists($table, $field)) {
$dbman->drop_field($table, $field);
}
// Since structure of 'course' table has changed we need to re-read $SITE from DB.
$SITE = $DB->get_record('course', array('id' => $SITE->id));
$COURSE = clone($SITE);
upgrade_main_savepoint(true, 2012031500.02);
}
if ($oldversion < 2012031500.03) {
// Define table course_allowed_modules to be dropped
$table = new xmldb_table('course_allowed_modules');
// Conditionally launch drop table for course_allowed_modules
if ($dbman->table_exists($table)) {
$dbman->drop_table($table);
}
upgrade_main_savepoint(true, 2012031500.03);
}
if ($oldversion < 2012031500.04) {
// Clean up the old admin settings.
unset_config('restrictmodulesfor');
unset_config('restrictbydefault');
unset_config('defaultallowedmodules');
upgrade_main_savepoint(true, 2012031500.04);
}
if ($oldversion < 2012032300.02) {
// Migrate the old admin debug setting.
if ($CFG->debug == 38911) {
set_config('debug', DEBUG_DEVELOPER);
} else if ($CFG->debug == 6143) {
set_config('debug', DEBUG_ALL);
}
upgrade_main_savepoint(true, 2012032300.02);
}
if ($oldversion < 2012042300.00) {
// This change makes the course_section index unique.
// Look for any duplicate course_sections entries. There should not be
// any but on some busy systems we found a few, maybe due to previous
// bugs.
$transaction = $DB->start_delegated_transaction();
$rs = $DB->get_recordset_sql('
SELECT DISTINCT
cs.id, cs.course
FROM
{course_sections} cs
INNER JOIN {course_sections} older
ON cs.course = older.course AND cs.section = older.section
AND older.id < cs.id');
foreach ($rs as $rec) {
$DB->delete_records('course_sections', array('id' => $rec->id));
// We can't use rebuild_course_cache() here because introducing sectioncache later
// so reset modinfo manually.
$DB->set_field('course', 'modinfo', null, array('id' => $rec->course));
}
$rs->close();
$transaction->allow_commit();
// XMLDB does not allow changing index uniqueness - instead we must drop
// index then add it again.
// MDL-46182: The query to make the index unique uses the index,
// so the removal of the non-unique version needs to happen after any
// data changes have been made.
$table = new xmldb_table('course_sections');
$index = new xmldb_index('course_section', XMLDB_INDEX_NOTUNIQUE, array('course', 'section'));
// Conditionally launch drop index course_section.
if ($dbman->index_exists($table, $index)) {
$dbman->drop_index($table, $index);
}
// Define index course_section (unique) to be added to course_sections
$index = new xmldb_index('course_section', XMLDB_INDEX_UNIQUE, array('course', 'section'));
// Conditionally launch add index course_section
if (!$dbman->index_exists($table, $index)) {
$dbman->add_index($table, $index);
}
// Main savepoint reached
upgrade_main_savepoint(true, 2012042300.00);
}
if ($oldversion < 2012042300.02) {
require_once($CFG->dirroot.'/completion/criteria/completion_criteria.php');
// Delete orphaned criteria which were left when modules were removed
if ($DB->get_dbfamily() === 'mysql') {
$sql = "DELETE cc FROM {course_completion_criteria} cc
LEFT JOIN {course_modules} cm ON cm.id = cc.moduleinstance
WHERE cm.id IS NULL AND cc.criteriatype = ".COMPLETION_CRITERIA_TYPE_ACTIVITY;
} else {
$sql = "DELETE FROM {course_completion_criteria}
WHERE NOT EXISTS (
SELECT 'x' FROM {course_modules}
WHERE {course_modules}.id = {course_completion_criteria}.moduleinstance)
AND {course_completion_criteria}.criteriatype = ".COMPLETION_CRITERIA_TYPE_ACTIVITY;
}
$DB->execute($sql);
// Main savepoint reached
upgrade_main_savepoint(true, 2012042300.02);
}
if ($oldversion < 2012050300.01) {
// Make sure deleted users do not have picture flag.
$DB->set_field('user', 'picture', 0, array('deleted'=>1, 'picture'=>1));
upgrade_main_savepoint(true, 2012050300.01);
}
if ($oldversion < 2012050300.02) {
// Changing precision of field picture on table user to (10)
$table = new xmldb_table('user');
$field = new xmldb_field('picture', XMLDB_TYPE_INTEGER, '10', null, XMLDB_NOTNULL, null, '0', 'secret');
// Launch change of precision for field picture
$dbman->change_field_precision($table, $field);
// Main savepoint reached
upgrade_main_savepoint(true, 2012050300.02);
}
if ($oldversion < 2012050300.03) {
// Define field coursedisplay to be added to course
$table = new xmldb_table('course');
$field = new xmldb_field('coursedisplay', XMLDB_TYPE_INTEGER, '2', null, XMLDB_NOTNULL, null, '0', 'completionnotify');
// Conditionally launch add field coursedisplay
if (!$dbman->field_exists($table, $field)) {
$dbman->add_field($table, $field);
}
// Since structure of 'course' table has changed we need to re-read $SITE from DB.
$SITE = $DB->get_record('course', array('id' => $SITE->id));
$COURSE = clone($SITE);
// Main savepoint reached
upgrade_main_savepoint(true, 2012050300.03);
}
if ($oldversion < 2012050300.04) {
// Define table course_display to be dropped
$table = new xmldb_table('course_display');
// Conditionally launch drop table for course_display
if ($dbman->table_exists($table)) {
$dbman->drop_table($table);
}
// Main savepoint reached
upgrade_main_savepoint(true, 2012050300.04);
}
if ($oldversion < 2012050300.05) {
// Clean up removed admin setting.
unset_config('navlinkcoursesections');
upgrade_main_savepoint(true, 2012050300.05);
}
if ($oldversion < 2012050400.01) {
// Define index sortorder (not unique) to be added to course
$table = new xmldb_table('course');
$index = new xmldb_index('sortorder', XMLDB_INDEX_NOTUNIQUE, array('sortorder'));
// Conditionally launch add index sortorder
if (!$dbman->index_exists($table, $index)) {
$dbman->add_index($table, $index);
}
// Main savepoint reached
upgrade_main_savepoint(true, 2012050400.01);
}
if ($oldversion < 2012050400.02) {
// Clean up removed admin setting.
unset_config('enablecourseajax');
upgrade_main_savepoint(true, 2012050400.02);
}
if ($oldversion < 2012051100.01) {
// Define field idnumber to be added to groups
$table = new xmldb_table('groups');
$field = new xmldb_field('idnumber', XMLDB_TYPE_CHAR, '100', null, XMLDB_NOTNULL, null, null, 'courseid');
$index = new xmldb_index('idnumber', XMLDB_INDEX_NOTUNIQUE, array('idnumber'));
// Conditionally launch add field idnumber
if (!$dbman->field_exists($table, $field)) {
$dbman->add_field($table, $field);
}
// Conditionally launch add index idnumber
if (!$dbman->index_exists($table, $index)) {
$dbman->add_index($table, $index);
}
// Define field idnumber to be added to groupings
$table = new xmldb_table('groupings');
$field = new xmldb_field('idnumber', XMLDB_TYPE_CHAR, '100', null, XMLDB_NOTNULL, null, null, 'name');
$index = new xmldb_index('idnumber', XMLDB_INDEX_NOTUNIQUE, array('idnumber'));
// Conditionally launch add field idnumber
if (!$dbman->field_exists($table, $field)) {
$dbman->add_field($table, $field);
}
// Conditionally launch add index idnumber
if (!$dbman->index_exists($table, $index)) {
$dbman->add_index($table, $index);
}
// Main savepoint reached
upgrade_main_savepoint(true, 2012051100.01);
}
if ($oldversion < 2012051100.03) {
// Amend course table to add sectioncache cache
$table = new xmldb_table('course');
$field = new xmldb_field('sectioncache', XMLDB_TYPE_TEXT, null, null, null, null, null, 'showgrades');
if (!$dbman->field_exists($table, $field)) {
$dbman->add_field($table, $field);
}
// Amend course_sections to add date, time and groupingid availability
// conditions and a setting about whether to show them
$table = new xmldb_table('course_sections');
$field = new xmldb_field('availablefrom', XMLDB_TYPE_INTEGER, '10', null, XMLDB_NOTNULL, null, '0', 'visible');
if (!$dbman->field_exists($table, $field)) {
$dbman->add_field($table, $field);
}
$field = new xmldb_field('availableuntil', XMLDB_TYPE_INTEGER, '10', null, XMLDB_NOTNULL, null, '0', 'availablefrom');
if (!$dbman->field_exists($table, $field)) {
$dbman->add_field($table, $field);
}
$field = new xmldb_field('showavailability', XMLDB_TYPE_INTEGER, '1', null, XMLDB_NOTNULL, null, '0', 'availableuntil');
// Conditionally launch add field showavailability
if (!$dbman->field_exists($table, $field)) {
$dbman->add_field($table, $field);
}
$field = new xmldb_field('groupingid', XMLDB_TYPE_INTEGER, '10', null, XMLDB_NOTNULL, null, '0', 'showavailability');
// Conditionally launch add field groupingid
if (!$dbman->field_exists($table, $field)) {
$dbman->add_field($table, $field);
}
// Since structure of 'course' table has changed we need to re-read $SITE from DB.
$SITE = $DB->get_record('course', array('id' => $SITE->id));
$COURSE = clone($SITE);
// Add course_sections_availability to add completion & grade availability conditions
$table = new xmldb_table('course_sections_availability');
$table->add_field('id', XMLDB_TYPE_INTEGER, '10', null, XMLDB_NOTNULL, XMLDB_SEQUENCE, null);
$table->add_field('coursesectionid', XMLDB_TYPE_INTEGER, '10', null, XMLDB_NOTNULL, null, null);
$table->add_field('sourcecmid', XMLDB_TYPE_INTEGER, '10', null, null, null, null);
$table->add_field('requiredcompletion', XMLDB_TYPE_INTEGER, '1', null, null, null, null);
$table->add_field('gradeitemid', XMLDB_TYPE_INTEGER, '10', null, null, null, null);
$table->add_field('grademin', XMLDB_TYPE_NUMBER, '10, 5', null, null, null, null);
$table->add_field('grademax', XMLDB_TYPE_NUMBER, '10, 5', null, null, null, null);
$table->add_key('primary', XMLDB_KEY_PRIMARY, array('id'));
$table->add_key('coursesectionid', XMLDB_KEY_FOREIGN, array('coursesectionid'), 'course_sections', array('id'));
$table->add_key('sourcecmid', XMLDB_KEY_FOREIGN, array('sourcecmid'), 'course_modules', array('id'));
$table->add_key('gradeitemid', XMLDB_KEY_FOREIGN, array('gradeitemid'), 'grade_items', array('id'));
if (!$dbman->table_exists($table)) {
$dbman->create_table($table);
}
// Main savepoint reached
upgrade_main_savepoint(true, 2012051100.03);
}
if ($oldversion < 2012052100.00) {
// Define field referencefileid to be added to files.
$table = new xmldb_table('files');
// Define field referencefileid to be added to files.
$field = new xmldb_field('referencefileid', XMLDB_TYPE_INTEGER, '10', null, null, null, null, 'sortorder');
// Conditionally launch add field referencefileid.
if (!$dbman->field_exists($table, $field)) {
$dbman->add_field($table, $field);
}
// Define field referencelastsync to be added to files.
$field = new xmldb_field('referencelastsync', XMLDB_TYPE_INTEGER, '10', null, null, null, null, 'referencefileid');
// Conditionally launch add field referencelastsync.
if (!$dbman->field_exists($table, $field)) {
$dbman->add_field($table, $field);
}
// Define field referencelifetime to be added to files.
$field = new xmldb_field('referencelifetime', XMLDB_TYPE_INTEGER, '10', null, null, null, null, 'referencelastsync');
// Conditionally launch add field referencelifetime.
if (!$dbman->field_exists($table, $field)) {
$dbman->add_field($table, $field);
}
$key = new xmldb_key('referencefileid', XMLDB_KEY_FOREIGN, array('referencefileid'), 'files_reference', array('id'));
// Launch add key referencefileid
$dbman->add_key($table, $key);
// Define table files_reference to be created.
$table = new xmldb_table('files_reference');
// Adding fields to table files_reference.
$table->add_field('id', XMLDB_TYPE_INTEGER, '10', null, XMLDB_NOTNULL, XMLDB_SEQUENCE, null);
$table->add_field('repositoryid', XMLDB_TYPE_INTEGER, '10', null, XMLDB_NOTNULL, null, null);
$table->add_field('lastsync', XMLDB_TYPE_INTEGER, '10', null, null, null, null);
$table->add_field('lifetime', XMLDB_TYPE_INTEGER, '10', null, null, null, null);
$table->add_field('reference', XMLDB_TYPE_TEXT, null, null, null, null, null);
// Adding keys to table files_reference.
$table->add_key('primary', XMLDB_KEY_PRIMARY, array('id'));
$table->add_key('repositoryid', XMLDB_KEY_FOREIGN, array('repositoryid'), 'repository_instances', array('id'));
// Conditionally launch create table for files_reference
if (!$dbman->table_exists($table)) {
$dbman->create_table($table);
}
// Main savepoint reached
upgrade_main_savepoint(true, 2012052100.00);
}
if ($oldversion < 2012052500.03) { // fix invalid course_completion_records MDL-27368
//first get all instances of duplicate records
$sql = 'SELECT userid, course FROM {course_completions} WHERE (deleted IS NULL OR deleted <> 1) GROUP BY userid, course HAVING (count(id) > 1)';
$duplicates = $DB->get_recordset_sql($sql, array());
foreach ($duplicates as $duplicate) {
$pointer = 0;
//now get all the records for this user/course
$sql = 'userid = ? AND course = ? AND (deleted IS NULL OR deleted <> 1)';
$completions = $DB->get_records_select('course_completions', $sql,
array($duplicate->userid, $duplicate->course), 'timecompleted DESC, timestarted DESC');
$needsupdate = false;
$origcompletion = null;
foreach ($completions as $completion) {
$pointer++;
if ($pointer === 1) { //keep 1st record but delete all others.
$origcompletion = $completion;
} else {
//we need to keep the "oldest" of all these fields as the valid completion record.
$fieldstocheck = array('timecompleted', 'timestarted', 'timeenrolled');
foreach ($fieldstocheck as $f) {
if ($origcompletion->$f > $completion->$f) {
$origcompletion->$f = $completion->$f;
$needsupdate = true;
}
}
$DB->delete_records('course_completions', array('id'=>$completion->id));
}
}
if ($needsupdate) {
$DB->update_record('course_completions', $origcompletion);
}
}
// Main savepoint reached
upgrade_main_savepoint(true, 2012052500.03);
}
if ($oldversion < 2012052900.00) {
// Clean up all duplicate records in the course_completions table in preparation
// for adding a new index there.
upgrade_course_completion_remove_duplicates(
'course_completions',
array('userid', 'course'),
array('timecompleted', 'timestarted', 'timeenrolled')
);
// Main savepoint reached
upgrade_main_savepoint(true, 2012052900.00);
}
if ($oldversion < 2012052900.01) {
// Add indexes to prevent new duplicates in the course_completions table.
// Define index useridcourse (unique) to be added to course_completions
$table = new xmldb_table('course_completions');
$index = new xmldb_index('useridcourse', XMLDB_INDEX_UNIQUE, array('userid', 'course'));
// Conditionally launch add index useridcourse
if (!$dbman->index_exists($table, $index)) {
$dbman->add_index($table, $index);
}
// Main savepoint reached
upgrade_main_savepoint(true, 2012052900.01);
}
if ($oldversion < 2012052900.02) {
// Clean up all duplicate records in the course_completion_crit_compl table in preparation
// for adding a new index there.
upgrade_course_completion_remove_duplicates(
'course_completion_crit_compl',
array('userid', 'course', 'criteriaid'),
array('timecompleted')
);
// Main savepoint reached
upgrade_main_savepoint(true, 2012052900.02);
}
if ($oldversion < 2012052900.03) {
// Add indexes to prevent new duplicates in the course_completion_crit_compl table.
// Define index useridcoursecriteraid (unique) to be added to course_completion_crit_compl
$table = new xmldb_table('course_completion_crit_compl');
$index = new xmldb_index('useridcoursecriteraid', XMLDB_INDEX_UNIQUE, array('userid', 'course', 'criteriaid'));
// Conditionally launch add index useridcoursecriteraid
if (!$dbman->index_exists($table, $index)) {
$dbman->add_index($table, $index);
}
// Main savepoint reached
upgrade_main_savepoint(true, 2012052900.03);
}
if ($oldversion < 2012052900.04) {
// Clean up all duplicate records in the course_completion_aggr_methd table in preparation
// for adding a new index there.
upgrade_course_completion_remove_duplicates(
'course_completion_aggr_methd',
array('course', 'criteriatype')
);
// Main savepoint reached
upgrade_main_savepoint(true, 2012052900.04);
}
if ($oldversion < 2012052900.05) {
// Add indexes to prevent new duplicates in the course_completion_aggr_methd table.
// Define index coursecriteratype (unique) to be added to course_completion_aggr_methd
$table = new xmldb_table('course_completion_aggr_methd');
$index = new xmldb_index('coursecriteriatype', XMLDB_INDEX_UNIQUE, array('course', 'criteriatype'));
// Conditionally launch add index coursecriteratype
if (!$dbman->index_exists($table, $index)) {
$dbman->add_index($table, $index);
}
// Main savepoint reached
upgrade_main_savepoint(true, 2012052900.05);
}
if ($oldversion < 2012060600.01) {
// Add field referencehash to files_reference
$table = new xmldb_table('files_reference');
$field = new xmldb_field('referencehash', XMLDB_TYPE_CHAR, '40', null, XMLDB_NOTNULL, null, null, 'reference');
if (!$dbman->field_exists($table, $field)) {
$dbman->add_field($table, $field);
}
upgrade_main_savepoint(true, 2012060600.01);
}
if ($oldversion < 2012060600.02) {
// Populate referencehash field with SHA1 hash of the reference - this shoudl affect only 2.3dev sites
// that were using the feature for testing. Production sites have the table empty.
$rs = $DB->get_recordset('files_reference', null, '', 'id, reference');
foreach ($rs as $record) {
$hash = sha1($record->reference);
$DB->set_field('files_reference', 'referencehash', $hash, array('id' => $record->id));
}
$rs->close();
upgrade_main_savepoint(true, 2012060600.02);
}
if ($oldversion < 2012060600.03) {
// Merge duplicate records in files_reference that were created during the development
// phase at 2.3dev sites. This is needed so we can create the unique index over
// (repositoryid, referencehash) fields.
$sql = "SELECT repositoryid, referencehash, MIN(id) AS minid
FROM {files_reference}
GROUP BY repositoryid, referencehash
HAVING COUNT(*) > 1";
$duprs = $DB->get_recordset_sql($sql);
foreach ($duprs as $duprec) {
// get the list of all ids in {files_reference} that need to be remapped
$dupids = $DB->get_records_select('files_reference', "repositoryid = ? AND referencehash = ? AND id > ?",
array($duprec->repositoryid, $duprec->referencehash, $duprec->minid), '', 'id');
$dupids = array_keys($dupids);
// relink records in {files} that are now referring to a duplicate record
// in {files_reference} to refer to the first one
list($subsql, $subparams) = $DB->get_in_or_equal($dupids);
$DB->set_field_select('files', 'referencefileid', $duprec->minid, "referencefileid $subsql", $subparams);
// and finally remove all orphaned records from {files_reference}
$DB->delete_records_list('files_reference', 'id', $dupids);
}
$duprs->close();
upgrade_main_savepoint(true, 2012060600.03);
}
if ($oldversion < 2012060600.04) {
// Add a unique index over repositoryid and referencehash fields in files_reference table
$table = new xmldb_table('files_reference');
$index = new xmldb_index('uq_external_file', XMLDB_INDEX_UNIQUE, array('repositoryid', 'referencehash'));
if (!$dbman->index_exists($table, $index)) {
$dbman->add_index($table, $index);
}
upgrade_main_savepoint(true, 2012060600.04);
}
if ($oldversion < 2012061800.01) {
// Define field screenreader to be dropped from user
$table = new xmldb_table('user');
$field = new xmldb_field('ajax');
// Conditionally launch drop field screenreader
if ($dbman->field_exists($table, $field)) {
$dbman->drop_field($table, $field);
}
// Main savepoint reached
upgrade_main_savepoint(true, 2012061800.01);
}
if ($oldversion < 2012062000.00) {
// Add field newcontextid to backup_files_template
$table = new xmldb_table('backup_files_template');
$field = new xmldb_field('newcontextid', XMLDB_TYPE_INTEGER, '10', null, null, null, null, 'info');
if (!$dbman->field_exists($table, $field)) {
$dbman->add_field($table, $field);
}
upgrade_main_savepoint(true, 2012062000.00);
}
if ($oldversion < 2012062000.01) {
// Add field newitemid to backup_files_template
$table = new xmldb_table('backup_files_template');
$field = new xmldb_field('newitemid', XMLDB_TYPE_INTEGER, '10', null, null, null, null, 'newcontextid');
if (!$dbman->field_exists($table, $field)) {
$dbman->add_field($table, $field);
}
upgrade_main_savepoint(true, 2012062000.01);
}
// Moodle v2.3.0 release upgrade line
// Put any upgrade step following this
if ($oldversion < 2012062500.02) {
// Drop some old backup tables, not used anymore
// Define table backup_files to be dropped
$table = new xmldb_table('backup_files');
// Conditionally launch drop table for backup_files
if ($dbman->table_exists($table)) {
$dbman->drop_table($table);
}
// Define table backup_ids to be dropped
$table = new xmldb_table('backup_ids');
// Conditionally launch drop table for backup_ids
if ($dbman->table_exists($table)) {
$dbman->drop_table($table);
}
// Main savepoint reached
upgrade_main_savepoint(true, 2012062500.02);
}
if ($oldversion < 2012070600.04) {
// Define table course_modules_avail_fields to be created
$table = new xmldb_table('course_modules_avail_fields');
// Adding fields to table course_modules_avail_fields
$table->add_field('id', XMLDB_TYPE_INTEGER, '10', null, XMLDB_NOTNULL, XMLDB_SEQUENCE, null);
$table->add_field('coursemoduleid', XMLDB_TYPE_INTEGER, '10', null, XMLDB_NOTNULL, null, null);
$table->add_field('userfield', XMLDB_TYPE_CHAR, '50', null, null, null, null);
$table->add_field('customfieldid', XMLDB_TYPE_INTEGER, '10', null, null, null, null);
$table->add_field('operator', XMLDB_TYPE_CHAR, '20', null, XMLDB_NOTNULL, null, null);
$table->add_field('value', XMLDB_TYPE_CHAR, '255', null, XMLDB_NOTNULL, null, null);
// Adding keys to table course_modules_avail_fields
$table->add_key('primary', XMLDB_KEY_PRIMARY, array('id'));
$table->add_key('coursemoduleid', XMLDB_KEY_FOREIGN, array('coursemoduleid'), 'course_modules', array('id'));
// Conditionally launch create table for course_modules_avail_fields
if (!$dbman->table_exists($table)) {
$dbman->create_table($table);
}
// Main savepoint reached
upgrade_main_savepoint(true, 2012070600.04);
}
if ($oldversion < 2012070600.05) {
// Define table course_sections_avail_fields to be created
$table = new xmldb_table('course_sections_avail_fields');
// Adding fields to table course_sections_avail_fields
$table->add_field('id', XMLDB_TYPE_INTEGER, '10', null, XMLDB_NOTNULL, XMLDB_SEQUENCE, null);
$table->add_field('coursesectionid', XMLDB_TYPE_INTEGER, '10', null, XMLDB_NOTNULL, null, null);
$table->add_field('userfield', XMLDB_TYPE_CHAR, '50', null, null, null, null);
$table->add_field('customfieldid', XMLDB_TYPE_INTEGER, '10', null, null, null, null);
$table->add_field('operator', XMLDB_TYPE_CHAR, '20', null, XMLDB_NOTNULL, null, null);
$table->add_field('value', XMLDB_TYPE_CHAR, '255', null, XMLDB_NOTNULL, null, null);
// Adding keys to table course_sections_avail_fields
$table->add_key('primary', XMLDB_KEY_PRIMARY, array('id'));
$table->add_key('coursesectionid', XMLDB_KEY_FOREIGN, array('coursesectionid'), 'course_sections', array('id'));
// Conditionally launch create table for course_sections_avail_fields
if (!$dbman->table_exists($table)) {
$dbman->create_table($table);
}
// Main savepoint reached
upgrade_main_savepoint(true, 2012070600.05);
}
if ($oldversion < 2012070600.06) {
// Drop "deleted" fields
$table = new xmldb_table('course_completions');
$field = new xmldb_field('timenotified');
$field = new xmldb_field('deleted');
// Conditionally launch drop field deleted from course_completions
if ($dbman->field_exists($table, $field)) {
$dbman->drop_field($table, $field);
}
$field = new xmldb_field('timenotified');
// Conditionally launch drop field timenotified from course_completions
if ($dbman->field_exists($table, $field)) {
$dbman->drop_field($table, $field);
}
// Main savepoint reached
upgrade_main_savepoint(true, 2012070600.06);
}
if ($oldversion < 2012070600.07) {
$table = new xmldb_table('course_completion_crit_compl');
$field = new xmldb_field('deleted');
// Conditionally launch drop field deleted from course_completion_crit_compl
if ($dbman->field_exists($table, $field)) {
$dbman->drop_field($table, $field);
}
// Main savepoint reached
upgrade_main_savepoint(true, 2012070600.07);
}
if ($oldversion < 2012070600.08) {
// Drop unused table "course_completion_notify"
$table = new xmldb_table('course_completion_notify');
// Conditionally launch drop table course_completion_notify
if ($dbman->table_exists($table)) {
$dbman->drop_table($table);
}