<?php
/**
 * Update the database schema from version 1 to version 2
 * - create the wt_session table to store session data in the database,
 * rather than in the filesystem.
 * 
 * The script should assume that it can be interrupted at
 * any point, and be able to continue by re-running the script.
 * Fatal errors, however, should be allowed to throw exceptions,
 * which will be caught by the framework.
 * It shouldn't do anything that might take more than a few
 * seconds, for systems with low timeout values.
 *
 * phpGedView: Genealogy Viewer
 * Copyright (C) 20010 Greg Roach
 *
 * This program 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 2 of the License, or
 * (at your option) any later version.
 *
 * This program 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 this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 *
 * @version $Id$
 */

if (!defined('WT_WEBTREES')) {
	header('HTTP/1.0 403 Forbidden');
	exit;
}

define('WT_DB_SCHEMA_1_2', '');

self::exec(
	"CREATE TABLE IF NOT EXISTS `##session` (".
	" session_id   CHAR(32)    NOT NULL,".
	" session_time TIMESTAMP   NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,".
	" user_id      INTEGER     NOT NULL,".
	" ip_address   VARCHAR(32) NOT NULL,".
	" session_data MEDIUMBLOB  NOT NULL,".
	" PRIMARY KEY     (session_id),".
	"         KEY ix1 (session_time),".
	"         KEY ix2 (user_id, ip_address)".
	") COLLATE utf8_unicode_ci ENGINE=InnoDB"
);

// Update the version to indicate success
set_site_setting($schema_name, $next_version);
