Vergleich install/resources/upgrade13.php - 1.4.2 - 1.4.8

	$db->write_query("ALTER TABLE ".TABLE_PREFIX."adminsessions ADD INDEX ( `uid` )");
	$db->write_query("ALTER TABLE ".TABLE_PREFIX."adminsessions ADD INDEX ( `dateline` )");
	
	$query = $db->query("SHOW INDEX FROM ".TABLE_PREFIX."users");
	while($ukey = $db->fetch_array($query))
	{
		if($ukey['Key_name'] == "username")

	if($db->type == "mysql" || $db->type == "mysqli")
	{
		$db->write_query("ALTER TABLE ".TABLE_PREFIX."adminsessions ADD INDEX ( `uid` )");
		$db->write_query("ALTER TABLE ".TABLE_PREFIX."adminsessions ADD INDEX ( `dateline` )");
	}
	
	if($db->type != "sqlite2" && $db->type != "sqlite3")
	{
		if($db->index_exists("users", "username"))
		{
			$db->write_query("ALTER TABLE ".TABLE_PREFIX."users DROP KEY username");
		}
		
		$query = $db->simple_select("users", "username, uid", "1=1 GROUP BY username HAVING count(*) > 1");
		while($user = $db->fetch_array($query))
		{
			$db->update_query("users", array('username' => $user['username']."_dup".$user['uid']), "uid='{$user['uid']}'", 1);
		}
		
		if($db->type == "pgsql")
		{
			$db->write_query("ALTER TABLE ".TABLE_PREFIX."users ADD UNIQUE(username)");
		}
		else

			$index = $ukey;
			break;

			$db->write_query("ALTER TABLE ".TABLE_PREFIX."users ADD UNIQUE KEY username (username)");

	}
	if($index)

	}
	
	if($db->type == "pgsql")
	{
		$db->write_query("ALTER TABLE ".TABLE_PREFIX."users CHANGE longregip longregip int NOT NULL default '0'");
		$db->write_query("ALTER TABLE ".TABLE_PREFIX."users CHANGE longlastip longlastip int NOT NULL default '0'");
	
		$db->write_query("ALTER TABLE ".TABLE_PREFIX."posts CHANGE longipaddress longipaddress int NOT NULL default '0'");
	}
	else

		$db->write_query("ALTER TABLE ".TABLE_PREFIX."users DROP KEY username");
	}
	$db->write_query("ALTER TABLE ".TABLE_PREFIX."users ADD UNIQUE KEY username (username)");

		$db->write_query("ALTER TABLE ".TABLE_PREFIX."users CHANGE longregip longregip int(11) NOT NULL default '0'");
		$db->write_query("ALTER TABLE ".TABLE_PREFIX."users CHANGE longlastip longlastip int(11) NOT NULL default '0'");

	$db->write_query("ALTER TABLE ".TABLE_PREFIX."users CHANGE longregip longregip int(11) NOT NULL default '0'");
	$db->write_query("ALTER TABLE ".TABLE_PREFIX."users CHANGE longlastip longlastip int(11) NOT NULL default '0'");
	
	$db->write_query("ALTER TABLE ".TABLE_PREFIX."posts CHANGE longipaddress longipaddress int(11) NOT NULL default '0'");

		$db->write_query("ALTER TABLE ".TABLE_PREFIX."posts CHANGE longipaddress longipaddress int(11) NOT NULL default '0'");
	}