Proyectos de Subversion Moodle

<?php

// This file is part of Moodle - http://moodle.org/

//

// Moodle 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 3 of the License, or

// (at your option) any later version.

//

// Moodle 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 Moodle.  If not, see <http://www.gnu.org/licenses/>.

/**

 * 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);

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('<p>All tables are already using InnoDB database engine.</p>');

    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()).'<br />'.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();

}