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moodle/mod/forum/db/mysql.php

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<?php // $Id$
function forum_upgrade($oldversion) {
// This function does anything necessary to upgrade
// older versions to match current functionality
global $CFG, $db;
if ($oldversion < 2002073008) {
execute_sql("DELETE FROM modules WHERE name = 'discuss' ");
execute_sql("ALTER TABLE `discuss` RENAME `forum_discussions` ");
execute_sql("ALTER TABLE `discuss_posts` RENAME `forum_posts` ");
execute_sql("ALTER TABLE `discuss_ratings` RENAME `forum_ratings` ");
execute_sql("ALTER TABLE `forum` CHANGE `intro` `intro` TEXT NOT NULL ");
execute_sql("ALTER TABLE `forum` ADD `forcesubscribe` TINYINT(1) UNSIGNED DEFAULT '0' NOT NULL AFTER `assessed`");
execute_sql("ALTER TABLE `forum` CHANGE `type` `type` ENUM( 'single', 'news', 'social', 'general',
'eachuser', 'teacher' ) DEFAULT 'general' NOT NULL ");
execute_sql("ALTER TABLE `forum_posts` CHANGE `discuss` `discussion` INT( 10 ) UNSIGNED DEFAULT '0' NOT NULL ");
execute_sql("INSERT INTO log_display (module, action, mtable, field) VALUES ('forum', 'add', 'forum', 'name') ");
execute_sql("INSERT INTO log_display (module, action, mtable, field) VALUES ('forum', 'add discussion', 'forum_discussions', 'name') ");
execute_sql("INSERT INTO log_display (module, action, mtable, field) VALUES ('forum', 'add post', 'forum_posts', 'subject') ");
execute_sql("INSERT INTO log_display (module, action, mtable, field) VALUES ('forum', 'update post', 'forum_posts', 'subject') ");
execute_sql("INSERT INTO log_display (module, action, mtable, field) VALUES ('forum', 'view discussion', 'forum_discussions', 'name') ");
execute_sql("DELETE FROM log_display WHERE module = 'discuss' ");
execute_sql("UPDATE log SET action = 'view discussion' WHERE module = 'discuss' AND action = 'view' ");
execute_sql("UPDATE log SET action = 'add discussion' WHERE module = 'discuss' AND action = 'add' ");
execute_sql("UPDATE log SET module = 'forum' WHERE module = 'discuss' ");
notify("Renamed all the old discuss tables (now part of forum) and created new forum_types");
}
if ($oldversion < 2002080100) {
execute_sql("INSERT INTO log_display (module, action, mtable, field) VALUES ('forum', 'view subscribers', 'forum', 'name') ");
execute_sql("INSERT INTO log_display (module, action, mtable, field) VALUES ('forum', 'update', 'forum', 'name') ");
}
if ($oldversion < 2002082900) {
execute_sql(" ALTER TABLE `forum_posts` ADD `attachment` VARCHAR(100) NOT NULL AFTER `message` ");
}
if ($oldversion < 2002091000) {
if (! execute_sql(" ALTER TABLE `forum_posts` ADD `attachment` VARCHAR(100) NOT NULL AFTER `message` ")) {
echo "<p>Don't worry about this error - your server already had this upgrade applied";
}
}
if ($oldversion < 2002100300) {
execute_sql(" ALTER TABLE `forum` CHANGE `open` `open` TINYINT(2) UNSIGNED DEFAULT '2' NOT NULL ");
execute_sql(" UPDATE `forum` SET `open` = 2 WHERE `open` = 1 ");
execute_sql(" UPDATE `forum` SET `open` = 1 WHERE `open` = 0 ");
}
if ($oldversion < 2002101001) {
execute_sql(" ALTER TABLE `forum_posts` ADD `format` TINYINT(2) UNSIGNED DEFAULT '0' NOT NULL AFTER `message` ");
}
if ($oldversion < 2002122300) {
execute_sql("ALTER TABLE `forum_posts` CHANGE `user` `userid` INT(10) UNSIGNED DEFAULT '0' NOT NULL ");
execute_sql("ALTER TABLE `forum_ratings` CHANGE `user` `userid` INT(10) UNSIGNED DEFAULT '0' NOT NULL ");
execute_sql("ALTER TABLE `forum_subscriptions` CHANGE `user` `userid` INT(10) UNSIGNED DEFAULT '0' NOT NULL ");
}
if ($oldversion < 2003042402) {
execute_sql("INSERT INTO {$CFG->prefix}log_display (module, action, mtable, field) VALUES ('forum', 'move discussion', 'forum_discussions', 'name')");
}
if ($oldversion < 2003081403) {
table_column("forum", "assessed", "assessed", "integer", "10", "unsigned", "0");
}
if ($oldversion < 2003082500) {
table_column("forum", "", "assesstimestart", "integer", "10", "unsigned", "0", "", "assessed");
table_column("forum", "", "assesstimefinish", "integer", "10", "unsigned", "0", "", "assesstimestart");
}
if ($oldversion < 2003082502) {
table_column("forum", "scale", "scale", "integer", "10", "", "0");
execute_sql("UPDATE {$CFG->prefix}forum SET scale = (- scale)");
}
if ($oldversion < 2003100600) {
table_column("forum", "", "maxbytes", "integer", "10", "unsigned", "0", "", "scale");
}
if ($oldversion < 2004010100) {
table_column("forum", "", "assesspublic", "integer", "4", "unsigned", "0", "", "assessed");
}
if ($oldversion < 2004011404) {
table_column("forum_discussions", "", "userid", "integer", "10", "unsigned", "0", "", "firstpost");
if ($discussions = get_records_sql("SELECT d.id, p.userid
FROM {$CFG->prefix}forum_discussions as d,
{$CFG->prefix}forum_posts as p
WHERE d.firstpost = p.id")) {
foreach ($discussions as $discussion) {
update_record("forum_discussions", $discussion);
}
}
}
if ($oldversion < 2004012200) {
table_column("forum_discussions", "", "groupid", "integer", "10", "unsigned", "0", "", "userid");
}
if ($oldversion < 2004013000) {
table_column("forum_posts", "mailed", "mailed", "tinyint", "2");
}
if ($oldversion < 2004020600) {
table_column("forum_discussions", "", "usermodified", "integer", "10", "unsigned", "0", "", "timemodified");
}
if ($oldversion < 2004050300) {
table_column("forum","","rsstype","tinyint","2", "unsigned", "0", "", "forcesubscribe");
table_column("forum","","rssarticles","tinyint","2", "unsigned", "0", "", "rsstype");
set_config("forum_enablerssfeeds",0);
}
if ($oldversion < 2004060100) {
modify_database('', "CREATE TABLE `prefix_forum_queue` (
`id` int(11) unsigned NOT NULL auto_increment,
`userid` int(11) unsigned default 0 NOT NULL,
`discussionid` int(11) unsigned default 0 NOT NULL,
`postid` int(11) unsigned default 0 NOT NULL,
PRIMARY KEY (`id`),
KEY `user` (userid),
KEY `post` (postid)
) TYPE=MyISAM COMMENT='For keeping track of posts that will be mailed in digest form';");
}
if ($oldversion < 2004070700) { // This may be redoing it from STABLE but that's OK
table_column("forum_discussions", "groupid", "groupid", "integer", "10", "", "0", "");
}
if ($oldversion < 2004111700) {
execute_sql(" ALTER TABLE `{$CFG->prefix}forum_posts` DROP INDEX {$CFG->prefix}forum_posts_parent_idx;",false);
execute_sql(" ALTER TABLE `{$CFG->prefix}forum_posts` DROP INDEX {$CFG->prefix}forum_posts_discussion_idx;",false);
execute_sql(" ALTER TABLE `{$CFG->prefix}forum_posts` DROP INDEX {$CFG->prefix}forum_posts_userid_idx;",false);
execute_sql(" ALTER TABLE `{$CFG->prefix}forum_discussions` DROP INDEX {$CFG->prefix}forum_discussions_forum_idx;",false);
execute_sql(" ALTER TABLE `{$CFG->prefix}forum_discussions` DROP INDEX {$CFG->prefix}forum_discussions_userid_idx;",false);
execute_sql(" ALTER TABLE `{$CFG->prefix}forum_posts` ADD INDEX {$CFG->prefix}forum_posts_parent_idx (parent) ");
execute_sql(" ALTER TABLE `{$CFG->prefix}forum_posts` ADD INDEX {$CFG->prefix}forum_posts_discussion_idx (discussion) ");
execute_sql(" ALTER TABLE `{$CFG->prefix}forum_posts` ADD INDEX {$CFG->prefix}forum_posts_userid_idx (userid) ");
execute_sql(" ALTER TABLE `{$CFG->prefix}forum_discussions` ADD INDEX {$CFG->prefix}forum_discussions_forum_idx (forum) ");
execute_sql(" ALTER TABLE `{$CFG->prefix}forum_discussions` ADD INDEX {$CFG->prefix}forum_discussions_userid_idx (userid) ");
}
if ($oldversion < 2004111700) {
execute_sql("ALTER TABLE {$CFG->prefix}forum DROP INDEX course;",false);
execute_sql("ALTER TABLE {$CFG->prefix}forum_ratings DROP INDEX userid;",false);
execute_sql("ALTER TABLE {$CFG->prefix}forum_ratings DROP INDEX post;",false);
execute_sql("ALTER TABLE {$CFG->prefix}forum_subscriptions DROP INDEX userid;",false);
execute_sql("ALTER TABLE {$CFG->prefix}forum_subscriptions DROP INDEX forum;",false);
modify_database('','ALTER TABLE prefix_forum ADD INDEX course (course);');
modify_database('','ALTER TABLE prefix_forum_ratings ADD INDEX userid (userid);');
modify_database('','ALTER TABLE prefix_forum_ratings ADD INDEX post (post);');
modify_database('','ALTER TABLE prefix_forum_subscriptions ADD INDEX userid (userid);');
modify_database('','ALTER TABLE prefix_forum_subscriptions ADD INDEX forum (forum);');
}
if ($oldversion < 2005011500) {
modify_database('','CREATE TABLE prefix_forum_read (
`id` int(10) unsigned NOT NULL auto_increment,
`userid` int(10) NOT NULL default \'0\',
`forumid` int(10) NOT NULL default \'0\',
`discussionid` int(10) NOT NULL default \'0\',
`postid` int(10) NOT NULL default \'0\',
`firstread` int(10) NOT NULL default \'0\',
`lastread` int(10) NOT NULL default \'0\',
PRIMARY KEY (`id`),
KEY `prefix_forum_user_forum_idx` (`userid`,`forumid`),
KEY `prefix_forum_user_discussion_idx` (`userid`,`discussionid`),
KEY `prefix_forum_user_post_idx` (`userid`,`postid`)
) COMMENT=\'Tracks each users read posts\';');
set_config('upgrade', 'forumread'); // The upgrade of this table will be done later by admin/upgradeforumread.php
}
if ($oldversion < 2005032900) {
modify_database('','ALTER TABLE prefix_forum_posts ADD INDEX prefix_form_posts_created_idx (created);');
modify_database('','ALTER TABLE prefix_forum_posts ADD INDEX prefix_form_posts_mailed_idx (mailed);');
}
if ($oldversion < 2005041100) { // replace wiki-like with markdown
include_once( "$CFG->dirroot/lib/wiki_to_markdown.php" );
$wtm = new WikiToMarkdown();
$sql = "select course from {$CFG->prefix}forum_discussions, {$CFG->prefix}forum_posts ";
$sql .= "where {$CFG->prefix}forum_posts.discussion = {$CFG->prefix}forum_discussions.id ";
$sql .= "and {$CFG->prefix}forum_posts.id = ";
$wtm->update( 'forum_posts','message','format',$sql );
}
if ($oldversion < 2005042300) { // Add tracking prefs table
modify_database('','CREATE TABLE prefix_forum_track_prefs (
`id` int(10) unsigned NOT NULL auto_increment,
`userid` int(10) NOT NULL default \'0\',
`forumid` int(10) NOT NULL default \'0\',
PRIMARY KEY (`id`),
KEY `user_forum_idx` (`userid`,`forumid`)
) COMMENT=\'Tracks each users untracked forums.\';');
}
if ($oldversion < 2005042500) {
table_column('forum','','trackingtype','tinyint','2', 'unsigned', '1', '', 'forcesubscribe');
}
if ($oldversion < 2005111100) {
table_column('forum_discussions','','timestart','integer');
table_column('forum_discussions','','timeend','integer');
}
if ($oldversion < 2006011600) {
execute_sql("alter table ".$CFG->prefix."forum change column type type enum('single','news','general','social','eachuser','teacher','qanda') not null default 'general'");
}
if ($oldversion < 2006011601) {
table_column('forum','','warnafter');
table_column('forum','','blockafter');
table_column('forum','','blockperiod');
}
if ($oldversion < 2006011700) {
table_column('forum_posts','','mailnow','integer');
}
if ($oldversion < 2006011702) {
execute_sql("INSERT INTO {$CFG->prefix}log_display (module, action, mtable, field) VALUES ('forum', 'user report', 'user', 'CONCAT(firstname,\' \',lastname)')");
}
if ($oldversion < 2006081800) {
// Upgrades for new roles and capabilities support.
require_once($CFG->dirroot.'/mod/forum/lib.php');
$forummod = get_record('modules', 'name', 'forum');
if ($forums = get_records('forum')) {
if (!$teacherroles = get_roles_with_capability('moodle/legacy:teacher', CAP_ALLOW)) {
notify('Default teacher role was not found. Roles and permissions '.
'for all your forums will have to be manually set after '.
'this upgrade.');
}
if (!$studentroles = get_roles_with_capability('moodle/legacy:student', CAP_ALLOW)) {
notify('Default student role was not found. Roles and permissions '.
'for all your forums will have to be manually set after '.
'this upgrade.');
}
if (!$guestroles = get_roles_with_capability('moodle/legacy:guest', CAP_ALLOW)) {
notify('Default guest role was not found. Roles and permissions '.
'for teacher forums will have to be manually set after '.
'this upgrade.');
}
foreach ($forums as $forum) {
if (!forum_convert_to_roles($forum, $forummod->id, $teacherroles,
$studentroles, $guestroles)) {
notify('Forum with id '.$forum->id.' was not upgraded');
}
}
// We need to rebuild all the course caches to refresh the state of
// the forum modules.
include_once( "$CFG->dirroot/course/lib.php" );
rebuild_course_cache();
} // End if.
// Drop column forum.open.
modify_database('', 'ALTER TABLE prefix_forum DROP COLUMN open;');
// Drop column forum.assesspublic.
modify_database('', 'ALTER TABLE prefix_forum DROP COLUMN assesspublic;');
}
if ($oldversion < 2006082700) {
$sql = "UPDATE {$CFG->prefix}forum_posts SET message = REPLACE(message, '".TRUSTTEXT."', '');";
$likecond = sql_ilike()." '%".TRUSTTEXT."%'";
while (true) {
if (!count_records_select('forum_posts', "message $likecond")) {
break;
}
execute_sql($sql);
}
}
return true;
}
?>
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