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   1  <?php
   2  // This file is part of Moodle - http://moodle.org/
   3  //
   4  // Moodle is free software: you can redistribute it and/or modify
   5  // it under the terms of the GNU General Public License as published by
   6  // the Free Software Foundation, either version 3 of the License, or
   7  // (at your option) any later version.
   8  //
   9  // Moodle is distributed in the hope that it will be useful,
  10  // but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  // GNU General Public License for more details.
  13  //
  14  // You should have received a copy of the GNU General Public License
  15  // along with Moodle.  If not, see <http://www.gnu.org/licenses/>.
  16  
  17  /**
  18   * InnoDB conversion tool.
  19   *
  20   * @package    tool
  21   * @subpackage innodb
  22   * @copyright  1999 onwards Martin Dougiamas (http://dougiamas.com)
  23   * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  24   */
  25  
  26  define('NO_OUTPUT_BUFFERING', true);
  27  
  28  require_once('../../../config.php');
  29  require_once($CFG->libdir.'/adminlib.php');
  30  
  31  admin_externalpage_setup('toolinnodb');
  32  
  33  $confirm = optional_param('confirm', 0, PARAM_BOOL);
  34  
  35  
  36  echo $OUTPUT->header();
  37  echo $OUTPUT->heading('Convert all MySQL tables from MYISAM to InnoDB');
  38  
  39  if ($DB->get_dbfamily() != 'mysql') {
  40      notice('This function is for MySQL databases only!', new moodle_url('/admin/'));
  41  }
  42  
  43  $prefix = str_replace('_', '\\_', $DB->get_prefix()).'%';
  44  $sql = "SHOW TABLE STATUS WHERE Name LIKE ? AND Engine <> 'InnoDB'";
  45  $rs = $DB->get_recordset_sql($sql, array($prefix));
  46  if (!$rs->valid()) {
  47      $rs->close();
  48      echo $OUTPUT->box('<p>All tables are already using InnoDB database engine.</p>');
  49      echo $OUTPUT->continue_button('/admin/');
  50      echo $OUTPUT->footer();
  51      die;
  52  }
  53  
  54  if (data_submitted() and $confirm and confirm_sesskey()) {
  55  
  56      echo $OUTPUT->notification('Please be patient and wait for this to complete...', 'notifysuccess');
  57  
  58      core_php_time_limit::raise();
  59  
  60      foreach ($rs as $table) {
  61          $DB->set_debug(true);
  62          $fulltable = $table->name;
  63          try {
  64              $DB->change_database_structure("ALTER TABLE $fulltable ENGINE=INNODB");
  65          } catch (moodle_exception $e) {
  66              echo $OUTPUT->notification(s($e->getMessage()).'<br />'.s($e->debuginfo));
  67          }
  68          $DB->set_debug(false);
  69      }
  70      $rs->close();
  71      echo $OUTPUT->notification('... done.', 'notifysuccess');
  72      echo $OUTPUT->continue_button(new moodle_url('/admin/'));
  73      echo $OUTPUT->footer();
  74  
  75  } else {
  76      $rs->close();
  77      $optionsyes = array('confirm'=>'1', 'sesskey'=>sesskey());
  78      $formcontinue = new single_button(new moodle_url('/admin/tool/innodb/index.php', $optionsyes), get_string('yes'));
  79      $formcancel = new single_button(new moodle_url('/admin/'), get_string('no'), 'get');
  80      echo $OUTPUT->confirm('Are you sure you want convert all your tables to the InnoDB format?', $formcontinue, $formcancel);
  81      echo $OUTPUT->footer();
  82  }
  83  
  84