<?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.
//
// webtrees: Web based Family History software
// Copyright (C) 2011 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
//
// $Id$

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

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);
