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Current File : /home/magalijoj/www/blog/inc/dbschema/upgrade.php

<?php
# ***** BEGIN LICENSE BLOCK *****
# This file is part of DotClear.
# Copyright (c) 2005 Olivier Meunier and contributors. All rights
# reserved.
#
# DotClear 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.
# 
# DotClear 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 DotClear; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
#
# ***** END LICENSE BLOCK *****

function dotclearUpgrade(&$core)
{
	$version = $core->getVersion('core');
	
	if ($version === null) {
		return false;
	}
	
	if (version_compare($version,DC_VERSION,'<') == 1)
	{
		try
		{
			if ($core->con->driver() == 'sqlite') {
				throw new Exception(__('SQLite Database Schema cannot be upgraded.'));
			}
			
			# Database upgrade
			$_s = new dbStruct($core->con,$core->prefix);
			require dirname(__FILE__).'/db-schema.php';
			
			$si = new dbStruct($core->con,$core->prefix);
			$changes = $si->synchronize($_s);
			
			/* Some other upgrades
			------------------------------------ */
			# Populate media_dir field (since 2.0-beta3.3)
			if (version_compare($version,'2.0-beta3.3','<'))
			{
				$strReq = 'SELECT media_id, media_file FROM '.$core->prefix.'media ';
				$rs_m = $core->con->select($strReq);
				while($rs_m->fetch()) {
					$cur = $core->con->openCursor($core->prefix.'media');
					$cur->media_dir = dirname($rs_m->media_file);
					$cur->update('WHERE media_id = '.(integer) $rs_m->media_id);
				}
			}
			
			$core->setVersion('core',DC_VERSION);
			$core->blogDefaults();
			
			return $changes;
		}
		catch (Exception $e)
		{
			throw new Exception(__('Something went wrong with auto upgrade:').
			' '.$e->getMessage());
		}
	}
	
	# No upgrade?
	return false;
}
?>