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[svn r12874] Added migration file from 1.8.3 to 1.8.4

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skala
Yannick Warnier 18 years ago
parent c1234db50b
commit 47c9fde601
1 changed files with 314 additions and 0 deletions
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  1. 314
      main/install/update-db-1.8.3-1.8.4.inc.php

314
main/install/update-db-1.8.3-1.8.4.inc.php
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<?php
/*
==============================================================================
Dokeos - elearning and course management software
Copyright (c) 2004-2007 Dokeos S.A.
Copyright (c) 2003 Ghent University (UGent)
Copyright (c) 2001 Universite catholique de Louvain (UCL)
Copyright (c) various contributors
For a full list of contributors, see "credits.txt".
The full license can be read in "license.txt".
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.
See the GNU General Public License for more details.
Contact address: Dokeos, 44 rue des palais, B-1030 Brussels, Belgium
Mail: info@dokeos.com
==============================================================================
*/
/**
==============================================================================
* Update the Dokeos database from an older version
* Notice : This script has to be included by index.php or update_courses.php
*
* @package dokeos.install
* @todo
* - conditional changing of tables. Currently we execute for example
* ALTER TABLE `$dbNameForm`.`cours` instructions without checking wether this is necessary.
* - reorganise code into functions
* @todo use database library
==============================================================================
*/
//load helper functions
require_once("install_upgrade.lib.php");
//remove memory and time limits as much as possible as this might be a long process...
if(function_exists('ini_set'))
{
ini_set('memory_limit',-1);
ini_set('max_execution_time',0);
}else{
error_log('Update-db script: could not change memory and time limits',0);
}
/*
==============================================================================
MAIN CODE
==============================================================================
*/
//check if we come from index.php or update_courses.php - otherwise display error msg
if (defined('DOKEOS_INSTALL') || defined('DOKEOS_COURSE_UPDATE'))
{
//check if the current Dokeos install is elligible for update
if (!file_exists('../inc/conf/configuration.php'))
{
echo '<b>'.get_lang('Error').' !</b> Dokeos '.implode('|', $updateFromVersion).' '.get_lang('HasNotBeenFound').'.<br><br>
'.get_lang('PleasGoBackToStep1').'.
<p><input type="submit" name="step1" value="&lt; '.get_lang('Back').'"></p>
</td></tr></table></form></body></html>';
exit ();
}
//get_config_param() comes from install_functions.inc.php and
//actually gets the param from
$_configuration['db_glue'] = get_config_param('dbGlu');
if ($singleDbForm)
{
$_configuration['table_prefix'] = get_config_param('courseTablePrefix');
$_configuration['main_database'] = get_config_param('mainDbName');
$_configuration['db_prefix'] = get_config_param('dbNamePrefix');
}
$dbScormForm = eregi_replace('[^a-z0-9_-]', '', $dbScormForm);
if (!empty ($dbPrefixForm) && !ereg('^'.$dbPrefixForm, $dbScormForm))
{
$dbScormForm = $dbPrefixForm.$dbScormForm;
}
if (empty ($dbScormForm) || $dbScormForm == 'mysql' || $dbScormForm == $dbPrefixForm)
{
$dbScormForm = $dbPrefixForm.'scorm';
}
@mysql_connect($dbHostForm, $dbUsernameForm, $dbPassForm);
//if error on connection to the database, show error and exit
if (mysql_errno() > 0)
{
$no = mysql_errno();
$msg = mysql_error();
echo '<hr>['.$no.'] - '.$msg.'<hr>
'.get_lang('DBServerDoesntWorkOrLoginPassIsWrong').'.<br><br>
'.get_lang('PleaseCheckTheseValues').' :<br><br>
<b>'.get_lang('DBHost').'</b> : '.$dbHostForm.'<br>
<b>'.get_lang('DBLogin').'</b> : '.$dbUsernameForm.'<br>
<b>'.get_lang('DBPassword').'</b> : '.$dbPassForm.'<br><br>
'.get_lang('PleaseGoBackToStep').' '. (defined('DOKEOS_INSTALL') ? '3' : '1').'.
<p><input type="submit" name="step'. (defined('DOKEOS_INSTALL') ? '3' : '1').'" value="&lt; '.get_lang('Back').'"></p>
</td></tr></table></form></body></html>';
exit ();
}
$dblistres = mysql_list_dbs();
$dblist = array();
while ($row = mysql_fetch_object($dblistres)) {
$dblist[] = $row->Database;
}
/*
-----------------------------------------------------------
Normal upgrade procedure:
start by updating main, statistic, user databases
-----------------------------------------------------------
*/
//if this script has been included by index.php, not update_courses.php, so
// that we want to change the main databases as well...
$only_test = false;
$log = 0;
if (defined('DOKEOS_INSTALL'))
{
if ($singleDbForm)
{
$dbStatsForm = $dbNameForm;
$dbScormForm = $dbNameForm;
$dbUserForm = $dbNameForm;
}
/**
* Update the databases "pre" migration
*/
include ("../lang/english/create_course.inc.php");
if ($languageForm != 'english')
{
//languageForm has been escaped in index.php
include ("../lang/$languageForm/create_course.inc.php");
}
//get the main queries list (m_q_list)
$m_q_list = get_sql_file_contents('migrate-db-1.8.3-1.8.4-pre.sql','main');
if(count($m_q_list)>0)
{
//now use the $m_q_list
/**
* We connect to the right DB first to make sure we can use the queries
* without a database name
*/
if(strlen($dbNameForm)>40){
error_log('Database name '.$dbNameForm.' is too long, skipping',0);
}elseif(!in_array($dbNameForm,$dblist)){
error_log('Database '.$dbNameForm.' was not found, skipping',0);
}else{
mysql_select_db($dbNameForm);
foreach($m_q_list as $query){
if($only_test){
error_log("mysql_query($dbNameForm,$query)",0);
}else{
$res = mysql_query($query);
if($log)
{
error_log("In $dbNameForm, executed: $query",0);
}
}
}
}
}
//get the stats queries list (s_q_list)
$s_q_list = get_sql_file_contents('migrate-db-1.8.3-1.8.4-pre.sql','stats');
if(count($s_q_list)>0)
{
//now use the $s_q_list
/**
* We connect to the right DB first to make sure we can use the queries
* without a database name
*/
if(strlen($dbStatsForm)>40){
error_log('Database name '.$dbStatsForm.' is too long, skipping',0);
}elseif(!in_array($dbStatsForm,$dblist)){
error_log('Database '.$dbStatsForm.' was not found, skipping',0);
}else{
mysql_select_db($dbStatsForm);
foreach($s_q_list as $query){
if($only_test){
error_log("mysql_query($dbStatsForm,$query)",0);
}else{
$res = mysql_query($query);
if($log)
{
error_log("In $dbStatsForm, executed: $query",0);
}
}
}
}
}
//get the user queries list (u_q_list)
$u_q_list = get_sql_file_contents('migrate-db-1.8.3-1.8.4-pre.sql','user');
if(count($u_q_list)>0)
{
//now use the $u_q_list
/**
* We connect to the right DB first to make sure we can use the queries
* without a database name
*/
if(strlen($dbUserForm)>40){
error_log('Database name '.$dbUserForm.' is too long, skipping',0);
}elseif(!in_array($dbUserForm,$dblist)){
error_log('Database '.$dbUserForm.' was not found, skipping',0);
}else{
mysql_select_db($dbUserForm);
foreach($u_q_list as $query){
if($only_test){
error_log("mysql_query($dbUserForm,$query)",0);
error_log("In $dbUserForm, executed: $query",0);
}else{
$res = mysql_query($query);
}
}
}
}
//the SCORM database doesn't need a change in the pre-migrate part - ignore
}
/*
-----------------------------------------------------------
Update the Dokeos course databases
this part can be accessed in two ways:
- from the normal upgrade process
- from the script update_courses.php,
which is used to upgrade more than MAX_COURSE_TRANSFER courses
Every time this script is accessed, only
MAX_COURSE_TRANSFER courses are upgraded.
-----------------------------------------------------------
*/
$prefix = '';
if ($singleDbForm)
{
$prefix = $_configuration['table_prefix'];
}
//get the courses databases queries list (c_q_list)
$c_q_list = get_sql_file_contents('migrate-db-1.8.3-1.8.4-pre.sql','course');
if(count($c_q_list)>0)
{
//get the courses list
if(strlen($dbNameForm)>40){
error_log('Database name '.$dbNameForm.' is too long, skipping',0);
}elseif(!in_array($dbNameForm,$dblist)){
error_log('Database '.$dbNameForm.' was not found, skipping',0);
}else{
mysql_select_db($dbNameForm);
$res = mysql_query("SELECT code,db_name,directory,course_language FROM course WHERE target_course_code IS NULL");
if($res===false){die('Error while querying the courses list in update_db.inc.php');}
if(mysql_num_rows($res)>0)
{
$i=0;
//while( ($i < MAX_COURSE_TRANSFER) && ($row = mysql_fetch_array($res)))
while($row = mysql_fetch_array($res))
{
$list[] = $row;
$i++;
}
foreach($list as $row_course)
{
//now use the $c_q_list
/**
* We connect to the right DB first to make sure we can use the queries
* without a database name
*/
if (!$singleDbForm) //otherwise just use the main one
{
mysql_select_db($row_course['db_name']);
}
foreach($c_q_list as $query)
{
if ($singleDbForm) //otherwise just use the main one
{
$query = preg_replace('/^(UPDATE|ALTER TABLE|CREATE TABLE|DROP TABLE|INSERT INTO|DELETE FROM)\s+(\w*)(.*)$/',"$1 $prefix{$row_course['db_name']}_$2$3",$query);
}
if($only_test)
{
error_log("mysql_query(".$row_course['db_name'].",$query)",0);
}else{
$res = mysql_query($query);
if($log)
{
error_log("In ".$row_course['db_name'].", executed: $query",0);
}
}
}
}
}
}
}
}
else
{
echo 'You are not allowed here !';
}
?>
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