moodle/mod/dialogue/db/mysql.php
2005-05-16 22:22:31 +00:00

37 lines
1.7 KiB
PHP

<?php // $Id$
function dialogue_upgrade($oldversion) {
// This function does anything necessary to upgrade
// older versions to match current functionality
global $CFG;
if ($oldversion < 2003100500) {
execute_sql(" ALTER TABLE `{$CFG->prefix}dialogue` ADD `multipleconversations` TINYINT(3) UNSIGNED NOT NULL DEFAULT '0' AFTER `dialoguetype`");
execute_sql(" ALTER TABLE `{$CFG->prefix}dialogue_conversations` ADD `subject` VARCHAR(100) NOT NULL DEFAULT ''");
}
if ($oldversion < 2003101300) {
execute_sql(" ALTER TABLE `{$CFG->prefix}dialogue_conversations` ADD `seenon` INT(10) unsigned NOT NULL DEFAULT '0' AFTER `closed`");
}
if ($oldversion < 2004111000) {
execute_sql("ALTER TABLE {$CFG->prefix}dialogue DROP KEY course;",false);
execute_sql("ALTER TABLE {$CFG->prefix}dialogue_conversations DROP KEY recipientid;",false);
execute_sql("ALTER TABLE {$CFG->prefix}dialogue_conversations DROP KEY userid;",false);
execute_sql("ALTER TABLE {$CFG->prefix}dialogue_entries DROP KEY dialogueid;",false);
execute_sql("ALTER TABLE {$CFG->prefix}dialogue_entries DROP KEY userid;",false);
modify_database('','ALTER TABLE prefix_dialogue ADD KEY course (course);');
modify_database('','ALTER TABLE prefix_dialogue_conversations ADD KEY recipientid (recipientid);');
modify_database('','ALTER TABLE prefix_dialogue_conversations ADD KEY userid (userid);');
modify_database('','ALTER TABLE prefix_dialogue_entries ADD KEY dialogueid (dialogueid);');
modify_database('','ALTER TABLE prefix_dialogue_entries ADD KEY userid (userid);');
}
$result = true;
return $result;
}
?>