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349 lines
12 KiB
349 lines
12 KiB
<?php
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/* For licensing terms, see /license.txt */
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/**
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* Chamilo LMS
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*
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* Update the Chamilo database from an older Dokeos version
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* Notice : This script has to be included by index.php
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* or update_courses.php (deprecated).
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*
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* @package chamilo.install
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* @todo
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* - conditional changing of tables. Currently we execute for example
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* ALTER TABLE `$dbNameForm`.`cours`
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* instructions without checking wether this is necessary.
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* - reorganise code into functions
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* @todo use database library
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*/
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Log::notice('Entering file');
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$old_file_version = '1.8.6.1';
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$new_file_version = '1.8.6.2';
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// Check if we come from index.php or update_courses.php - otherwise display error msg
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if (defined('SYSTEM_INSTALLATION')) {
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// Check if the current Dokeos install is eligible for update
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if (!file_exists('../inc/conf/configuration.php')) {
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echo '<strong>'.get_lang('Error').' !</strong> Dokeos '.implode('|', $updateFromVersion).' '.get_lang('HasNotBeenFound').'.<br /><br />
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'.get_lang('PleasGoBackToStep1').'.
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<p><button type="submit" class="back" name="step1" value="< '.get_lang('Back').'">'.get_lang('Back').'</button></p>
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</td></tr></table></form></body></html>';
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exit ();
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}
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$_configuration['db_glue'] = get_config_param('dbGlu');
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if ($singleDbForm) {
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$_configuration['table_prefix'] = get_config_param('courseTablePrefix');
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$_configuration['main_database'] = get_config_param('mainDbName');
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$_configuration['db_prefix'] = get_config_param('dbNamePrefix');
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}
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$dbScormForm = preg_replace('/[^a-zA-Z0-9_\-]/', '', $dbScormForm);
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if (!empty($dbPrefixForm) && strpos($dbScormForm, $dbPrefixForm) !== 0) {
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$dbScormForm = $dbPrefixForm.$dbScormForm;
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}
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if (empty($dbScormForm) || $dbScormForm == 'mysql' || $dbScormForm == $dbPrefixForm) {
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$dbScormForm = $dbPrefixForm.'scorm';
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}
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/* Normal upgrade procedure: start by updating main, statistic, user databases */
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// If this script has been included by index.php, not update_courses.php, so
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// that we want to change the main databases as well...
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$only_test = false;
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$log = 0;
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if (defined('SYSTEM_INSTALLATION')) {
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if ($singleDbForm) {
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$dbStatsForm = $dbNameForm;
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$dbScormForm = $dbNameForm;
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$dbUserForm = $dbNameForm;
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}
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/**
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* Update the databases "pre" migration
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*/
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include '../lang/english/create_course.inc.php';
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if ($languageForm != 'english') {
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// languageForm has been escaped in index.php
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include '../lang/'.$languageForm.'/create_course.inc.php';
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}
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// Get the main queries list (m_q_list)
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$m_q_list = get_sql_file_contents('migrate-db-'.$old_file_version.'-'.$new_file_version.'-pre.sql', 'main');
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if (count($m_q_list) > 0) {
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// Now use the $m_q_list
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/**
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* We connect to the right DB first to make sure we can use the queries
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* without a database name
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*/
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if (strlen($dbNameForm) > 40) {
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Log::error('Database name '.$dbNameForm.' is too long, skipping');
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} elseif (!in_array($dbNameForm,$dblist)) {
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Log::error('Database '.$dbNameForm.' was not found, skipping');
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} else {
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iDatabase::select_db($dbNameForm);
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foreach ($m_q_list as $query) {
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if ($only_test) {
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Log::notice("iDatabase::query($dbNameForm,$query)");
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} else {
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$res = iDatabase::query($query);
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if ($log) {
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Log::notice("In $dbNameForm, executed: $query");
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}
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}
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}
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// There might now be multiple course coaches. This implies
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// moving the previous course coach elements from the
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// session_rel_course table to the session_rel_course_rel_user
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// table with status 2
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// Select all the current course coaches in sessions
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$sql = "SELECT id_session, course_code, id_coach
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FROM session_rel_course
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ORDER BY id_session, course_code";
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$res = iDatabase::query($sql);
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if ($res === false) {
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Log::error('Could not query session course coaches table: '.iDatabase::error());
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} else {
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// For each coach found, add him as a course coach in the
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// session_rel_course_rel_user table
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while ($row = iDatabase::fetch_array($res)) {
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// Check whether coach is a student
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$sql = "SELECT 1 FROM session_rel_course_rel_user
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WHERE id_session='{$row[id_session]}' AND course_code='{$row[course_code]}' AND id_user='{$row[id_coach]}'";
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$rs = iDatabase::query($sql);
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if (iDatabase::num_rows($rs) > 0) {
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$sql_upd = "UPDATE session_rel_course_rel_user SET status=2
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WHERE id_session='{$row[id_session]}' AND course_code='{$row[course_code]}' AND id_user='{$row[id_coach]}'";
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} else {
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$sql_ins = "INSERT INTO session_rel_course_rel_user(id_session, course_code, id_user, status)
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VALUES ('{$row[id_session]}','{$row[course_code]}','{$row[id_coach]}',2)";
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}
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$rs_coachs = iDatabase::query($sql_ins);
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if ($rs_coachs === false) {
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Log::error('Could not move course coach to new table: '.iDatabase::error());
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}
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}
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}
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// Remove duplicated rows for 'show_tutor_data' AND 'show_teacher_data' into settings_current table
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$sql = "SELECT id FROM settings_current WHERE variable='show_tutor_data' ORDER BY id";
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$rs_chk_id1 = iDatabase::query($sql);
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if ($rs_chk_id1 === false) {
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Log::error('Could not query settings_current ids table: '.iDatabase::error());
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} else {
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$i = 1;
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while ($row_id1 = iDatabase::fetch_array($rs_chk_id1)) {
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$id = $row_id1['id'];
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if ($i > 1) {
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$sql_del = "DELETE FROM settings_current WHERE id = '$id'";
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iDatabase::query($sql_del);
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}
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$i++;
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}
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}
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$sql = "SELECT id FROM settings_current WHERE variable='show_teacher_data' ORDER BY id";
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$rs_chk_id2 = iDatabase::query($sql);
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if ($rs_chk_id2 === false) {
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Log::error('Could not query settings_current ids table: '.iDatabase::error());
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} else {
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$i = 1;
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while ($row_id2 = iDatabase::fetch_array($rs_chk_id2)) {
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$id = $row_id2['id'];
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if ($i > 1) {
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$sql_del = "DELETE FROM settings_current WHERE id = '$id'";
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iDatabase::query($sql_del);
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}
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$i++;
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}
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}
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}
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}
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// Now clean the deprecated id_coach field from the session_rel_course table
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$m_q_list = get_sql_file_contents('migrate-db-'.$old_file_version.'-'.$new_file_version.'-post.sql', 'main');
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if (count($m_q_list) > 0) {
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// Now use the $m_q_list
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/**
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* We connect to the right DB first to make sure we can use the queries
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* without a database name
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*/
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if (strlen($dbNameForm) > 40) {
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Log::error('Database name '.$dbNameForm.' is too long, skipping');
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} elseif (!in_array($dbNameForm,$dblist)) {
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Log::error('Database '.$dbNameForm.' was not found, skipping');
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} else {
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iDatabase::select_db($dbNameForm);
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foreach ($m_q_list as $query) {
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if ($only_test) {
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Log::notice("iDatabase::query($dbNameForm,$query)");
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} else {
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$res = iDatabase::query($query);
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if ($log) {
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Log::notice("In $dbNameForm, executed: $query");
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}
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}
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}
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}
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}
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// Get the stats queries list (s_q_list)
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$s_q_list = get_sql_file_contents('migrate-db-'.$old_file_version.'-'.$new_file_version.'-pre.sql', 'stats');
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if (count($s_q_list) > 0) {
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// Now use the $s_q_list
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/**
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* We connect to the right DB first to make sure we can use the queries
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* without a database name
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*/
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if (strlen($dbStatsForm) > 40) {
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Log::error('Database name '.$dbStatsForm.' is too long, skipping');
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} elseif (!in_array($dbStatsForm, $dblist)) {
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Log::error('Database '.$dbStatsForm.' was not found, skipping');
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} else {
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iDatabase::select_db($dbStatsForm);
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foreach ($s_q_list as $query) {
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if ($only_test) {
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Log::notice("iDatabase::query($dbStatsForm,$query)");
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} else {
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$res = iDatabase::query($query);
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if ($log) {
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Log::notice("In $dbStatsForm, executed: $query");
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}
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}
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}
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}
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}
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// Get the user queries list (u_q_list)
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$u_q_list = get_sql_file_contents('migrate-db-'.$old_file_version.'-'.$new_file_version.'-pre.sql', 'user');
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if (count($u_q_list) > 0) {
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// Now use the $u_q_list
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/**
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* We connect to the right DB first to make sure we can use the queries
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* without a database name
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*/
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if (strlen($dbUserForm) > 40) {
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Log::error('Database name '.$dbUserForm.' is too long, skipping');
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} elseif (!in_array($dbUserForm,$dblist)) {
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Log::error('Database '.$dbUserForm.' was not found, skipping');
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} else {
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iDatabase::select_db($dbUserForm);
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foreach ($u_q_list as $query) {
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if ($only_test){
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Log::notice("iDatabase::query($dbUserForm,$query)");
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Log::notice("In $dbUserForm, executed: $query");
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} else {
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$res = iDatabase::query($query);
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}
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}
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}
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}
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// The SCORM database doesn't need a change in the pre-migrate part - ignore
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}
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$prefix = '';
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if ($singleDbForm) {
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$prefix = get_config_param ('table_prefix');
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}
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// Get the courses databases queries list (c_q_list)
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$c_q_list = get_sql_file_contents('migrate-db-'.$old_file_version.'-'.$new_file_version.'-pre.sql', 'course');
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if (count($c_q_list) > 0) {
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// Get the courses list
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if (strlen($dbNameForm) > 40) {
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Log::error('Database name '.$dbNameForm.' is too long, skipping');
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} elseif (!in_array($dbNameForm, $dblist)) {
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Log::error('Database '.$dbNameForm.' was not found, skipping');
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} else {
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iDatabase::select_db($dbNameForm);
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$res = iDatabase::query("SELECT code,db_name,directory,course_language FROM course WHERE target_course_code IS NULL ORDER BY code");
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if ($res === false) { die('Error while querying the courses list in update_db-1.8.6.1-1.8.6.2.inc.php'); }
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if (iDatabase::num_rows($res) > 0) {
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$i = 0;
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$list = array();
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while ($row = iDatabase::fetch_array($res)) {
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$list[] = $row;
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$i++;
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}
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foreach ($list as $row_course) {
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// Now use the $c_q_list
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/**
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* We connect to the right DB first to make sure we can use the queries
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* without a database name
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*/
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if (!$singleDbForm) { //otherwise just use the main one
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iDatabase::select_db($row_course['db_name']);
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}
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Log::notice('Course db ' . $row_course['db_name']);
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foreach ($c_q_list as $query) {
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if ($singleDbForm) {
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$query = preg_replace('/^(UPDATE|ALTER TABLE|CREATE TABLE|DROP TABLE|INSERT INTO|DELETE FROM)\s+(\w*)(.*)$/', "$1 $prefix{$row_course['db_name']}_$2$3", $query);
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}
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if ($only_test) {
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Log::error("iDatabase::query(".$row_course['db_name'].",$query)");
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} else {
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$res = iDatabase::query($query);
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if ($log) {
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Log::error("In ".$row_course['db_name'].", executed: $query");
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}
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}
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}
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// Fill description type into course_description table
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$t_course_description = $row_course['db_name'].".course_description";
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if ($singleDbForm) {
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$t_course_description = "$prefix{$row_course['db_name']}_course_description";
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}
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// Get all ids and update description_type field with them from course_description table
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$sql_sel = "SELECT id FROM $t_course_description";
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$rs_sel = iDatabase::query($sql_sel);
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if ($rs_sel === false) {
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Log::error('Could not query course_description ids table: '.iDatabase::error());
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} else {
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if (iDatabase::num_rows($rs_sel) > 0) {
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while ($row_ids = iDatabase::fetch_array($rs_sel)) {
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$description_id = $row_ids['id'];
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$sql_upd = "UPDATE $t_course_description SET description_type='$description_id' WHERE id='$description_id'";
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iDatabase::query($sql_upd);
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}
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}
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}
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}
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}
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}
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}
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} else {
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echo 'You are not allowed here !' . __FILE__;
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}
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