.
/**
* InnoDB conversion tool.
*
* @package tool
* @subpackage innodb
* @copyright 1999 onwards Martin Dougiamas (http://dougiamas.com)
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
define('NO_OUTPUT_BUFFERING', true);
require_once('../../../config.php');
require_once($CFG->libdir.'/adminlib.php');
admin_externalpage_setup('toolinnodb');
$confirm = optional_param('confirm', 0, PARAM_BOOL);
require_login();
require_capability('moodle/site:config', context_system::instance());
echo $OUTPUT->header();
echo $OUTPUT->heading('Convert all MySQL tables from MYISAM to InnoDB');
if ($DB->get_dbfamily() != 'mysql') {
notice('This function is for MySQL databases only!', new moodle_url('/admin/'));
}
$prefix = str_replace('_', '\\_', $DB->get_prefix()).'%';
$sql = "SHOW TABLE STATUS WHERE Name LIKE ? AND Engine <> 'InnoDB'";
$rs = $DB->get_recordset_sql($sql, array($prefix));
if (!$rs->valid()) {
$rs->close();
echo $OUTPUT->box('All tables are already using InnoDB database engine.
');
echo $OUTPUT->continue_button('/admin/');
echo $OUTPUT->footer();
die;
}
if (data_submitted() and $confirm and confirm_sesskey()) {
echo $OUTPUT->notification('Please be patient and wait for this to complete...', 'notifysuccess');
core_php_time_limit::raise();
foreach ($rs as $table) {
$DB->set_debug(true);
$fulltable = $table->name;
try {
$DB->change_database_structure("ALTER TABLE $fulltable ENGINE=INNODB");
} catch (moodle_exception $e) {
echo $OUTPUT->notification(s($e->getMessage()).'
'.s($e->debuginfo));
}
$DB->set_debug(false);
}
$rs->close();
echo $OUTPUT->notification('... done.', 'notifysuccess');
echo $OUTPUT->continue_button(new moodle_url('/admin/'));
echo $OUTPUT->footer();
} else {
$rs->close();
$optionsyes = array('confirm'=>'1', 'sesskey'=>sesskey());
$formcontinue = new single_button(new moodle_url('/admin/tool/innodb/index.php', $optionsyes), get_string('yes'));
$formcancel = new single_button(new moodle_url('/admin/'), get_string('no'), 'get');
echo $OUTPUT->confirm('Are you sure you want convert all your tables to the InnoDB format?', $formcontinue, $formcancel);
echo $OUTPUT->footer();
}