system.install 150 KB
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<?php
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// $Id$
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/**
 * Test and report Drupal installation requirements.
 */
function system_requirements($phase) {
  $requirements = array();
  // Ensure translations don't break at install time
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  $t = get_t();
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  // Report Drupal version
  if ($phase == 'runtime') {
    $requirements['drupal'] = array(
      'title' => $t('Drupal'),
      'value' => VERSION,
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      'severity' => REQUIREMENT_INFO,
      'weight' => -10,
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    );
  }

  // Test web server
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  $software = $_SERVER['SERVER_SOFTWARE'];
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  $requirements['webserver'] = array(
    'title' => $t('Web server'),
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    'value' => $software,
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  );
  // Use server info string, if present.
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  if ($software && preg_match('![0-9]!', $software)) {
    list($server, $version) = split('[ /]', $software);
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    switch ($server) {
      case 'Apache':
        if (version_compare($version, DRUPAL_MINIMUM_APACHE) < 0) {
          $requirements['webserver']['description'] = $t('Your Apache server is too old. Drupal requires at least Apache %version.', array('%version' => DRUPAL_MINIMUM_APACHE));
          $requirements['webserver']['severity'] = REQUIREMENT_ERROR;
        }
        break;

      default:
        $requirements['webserver']['description'] = $t('The web server you\'re using has not been tested with Drupal and might not work properly.');
        $requirements['webserver']['severity'] = REQUIREMENT_WARNING;
        break;
    }
  }
  else {
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    $requirements['webserver']['value'] = $software ? $software : $t('Unknown');
    $requirements['webserver']['description'] = $t('Unable to determine your web server type and version. Drupal might not work properly.');
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    $requirements['webserver']['severity'] = REQUIREMENT_WARNING;
  }

  // Test PHP version
  $requirements['php'] = array(
    'title' => $t('PHP'),
    'value' => ($phase == 'runtime') ? l(phpversion(), 'admin/logs/status/php') : phpversion(),
  );
  if (version_compare(phpversion(), DRUPAL_MINIMUM_PHP) < 0) {
    $requirements['php']['description'] = $t('Your PHP installation is too old. Drupal requires at least PHP %version.', array('%version' => DRUPAL_MINIMUM_PHP));
    $requirements['php']['severity'] = REQUIREMENT_ERROR;
  }

  // Test DB version
  global $db_type;
  if (function_exists('db_status_report')) {
    $requirements += db_status_report($phase);
  }

  // Test settings.php file writability
  if ($phase == 'runtime') {
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    $conf_dir = drupal_verify_install_file(conf_path(), FILE_NOT_WRITABLE, 'dir');
    $conf_file = drupal_verify_install_file(conf_path() .'/settings.php', FILE_EXIST|FILE_READABLE|FILE_NOT_WRITABLE);
    if (!$conf_dir || !$conf_file) {
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      $requirements['settings.php'] = array(
        'value' => $t('Not protected'),
        'severity' => REQUIREMENT_ERROR,
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        'description' => '',
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      );
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      if (!$conf_dir) {
        $requirements['settings.php']['description'] .= $t('The directory %file is not protected from modifications and poses a security risk. You must change the directory\'s permissions to be non-writable. ', array('%file' => conf_path()));
      }
      if (!$conf_file) {
        $requirements['settings.php']['description'] .= $t('The file %file is not protected from modifications and poses a security risk. You must change the file\'s permissions to be non-writable.', array('%file' => conf_path() .'/settings.php'));
      }
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    }
    else {
      $requirements['settings.php'] = array(
        'value' => $t('Protected'),
      );
    }
    $requirements['settings.php']['title'] = $t('Configuration file');
  }

  // Report cron status
  if ($phase == 'runtime') {
    $cron_last = variable_get('cron_last', NULL);

    if (is_numeric($cron_last)) {
      $requirements['cron']['value'] = $t('Last run !time ago', array('!time' => format_interval(time() - $cron_last)));
    }
    else {
      $requirements['cron'] = array(
        'description' => $t('Cron has not run. It appears cron jobs have not been setup on your system. Please check the help pages for <a href="@url">configuring cron jobs</a>.', array('@url' => 'http://drupal.org/cron')),
        'severity' => REQUIREMENT_ERROR,
        'value' => $t('Never run'),
      );
    }
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    $requirements['cron'] += array('description' => '');
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    $requirements['cron']['description'] .= ' '. $t('You can <a href="@cron">run cron manually</a>.', array('@cron' => url('admin/logs/status/run-cron')));
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    $requirements['cron']['title'] = $t('Cron maintenance tasks');
  }

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  // Test files directory
  if ($phase == 'runtime') {
    $directory = file_directory_path();
    $is_writable = is_writable($directory);
    $is_directory = is_dir($directory);
    if (!$is_writable || !$is_directory) {
      if (!$is_directory) {
        $error = $t('The directory %directory does not exist.', array('%directory' => $directory));
      }
      else {
        $error = $t('The directory %directory is not writable.', array('%directory' => $directory));
      }
      $requirements['file system'] = array(
        'value' => $t('Not writable'),
        'severity' => REQUIREMENT_ERROR,
        'description' => $error .' '. $t('You may need to set the correct directory at the <a href="@admin-file-system">file system settings page</a> or change the current directory\'s permissions so that it is writable.', array('@admin-file-system' => url('admin/settings/file-system'))),
      );
    }
    else {
      if (variable_get('file_downloads', FILE_DOWNLOADS_PUBLIC) == FILE_DOWNLOADS_PUBLIC) {
        $requirements['file system'] = array(
          'value' => $t('Writable (<em>public</em> download method)'),
        );
      }
      else {
        $requirements['file system'] = array(
          'value' => $t('Writable (<em>private</em> download method)'),
        );
      }
    }
    $requirements['file system']['title'] = $t('File system');
  }

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  // See if updates are available in update.php.
  if ($phase == 'runtime') {
    $requirements['update'] = array(
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      'title' => $t('Database updates'),
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      'severity' => REQUIREMENT_OK,
      'value' => $t('Up to date'),
    );

    // Check installed modules.
    foreach (module_list() as $module) {
      $updates = drupal_get_schema_versions($module);
      if ($updates !== FALSE) {
        $default = drupal_get_installed_schema_version($module);
        if (max($updates) > $default) {
          $requirements['update']['severity'] = REQUIREMENT_ERROR;
          $requirements['update']['value'] = $t('Out of date');
          $requirements['update']['description'] = $t('Some modules have database schema updates to install. You should run the <a href="@update">database update script</a> immediately.', array('@update' => base_path() .'update.php'));
          break;
        }
      }
    }
  }

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  // Verify the update.php access setting
  if ($phase == 'runtime') {
    if (!empty($GLOBALS['update_free_access'])) {
      $requirements['update access'] = array(
        'value' => $t('Not protected'),
        'severity' => REQUIREMENT_ERROR,
        'description' => $t('The update.php script is accessible to everyone without authentication check, which is a security risk. You must change the $update_free_access value in your settings.php back to FALSE.'),
      );
    }
    else {
      $requirements['update access'] = array(
        'value' => $t('Protected'),
      );
    }
    $requirements['update access']['title'] = $t('Access to update.php');
  }

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  // Test Unicode library
  include_once './includes/unicode.inc';
  $requirements = array_merge($requirements, unicode_requirements());

  return $requirements;
}


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/**
 * Implementation of hook_install().
 */
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function system_install() {
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  if ($GLOBALS['db_type'] == 'pgsql') {
    /* create unsigned types */
    db_query("CREATE DOMAIN int_unsigned integer CHECK (VALUE >= 0)");
    db_query("CREATE DOMAIN smallint_unsigned smallint CHECK (VALUE >= 0)");
    db_query("CREATE DOMAIN bigint_unsigned bigint CHECK (VALUE >= 0)");
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    /* create functions */
    db_query('CREATE OR REPLACE FUNCTION "greatest"(numeric, numeric) RETURNS numeric AS
      \'SELECT CASE WHEN (($1 > $2) OR ($2 IS NULL)) THEN $1 ELSE $2 END;\'
      LANGUAGE \'sql\''
    );
    db_query('CREATE OR REPLACE FUNCTION "greatest"(numeric, numeric, numeric) RETURNS numeric AS
      \'SELECT greatest($1, greatest($2, $3));\'
      LANGUAGE \'sql\''
    );
    if (!db_result(db_query("SELECT COUNT(*) FROM pg_proc WHERE proname = 'rand'"))) {
      db_query('CREATE OR REPLACE FUNCTION "rand"() RETURNS float AS
        \'SELECT random();\'
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        LANGUAGE \'sql\''
      );
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    }
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    if (!db_result(db_query("SELECT COUNT(*) FROM pg_proc WHERE proname = 'concat'"))) {
      db_query('CREATE OR REPLACE FUNCTION "concat"(text, text) RETURNS text AS
        \'SELECT $1 || $2;\'
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        LANGUAGE \'sql\''
      );
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    }
    db_query('CREATE OR REPLACE FUNCTION "if"(boolean, text, text) RETURNS text AS
      \'SELECT CASE WHEN $1 THEN $2 ELSE $3 END;\'
      LANGUAGE \'sql\''
    );
    db_query('CREATE OR REPLACE FUNCTION "if"(boolean, integer, integer) RETURNS integer AS
      \'SELECT CASE WHEN $1 THEN $2 ELSE $3 END;\'
      LANGUAGE \'sql\''
    );
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  }
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  // Create tables.
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  $modules = array('system', 'filter', 'block', 'user', 'node', 'comment', 'taxonomy');
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  foreach ($modules as $module) {
    drupal_install_schema($module);
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  }
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  // Load system theme data appropriately.
  system_theme_data();
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  // Inserting uid 0 here confuses MySQL -- the next user might be created as
  // uid 2 which is not what we want. So we insert the first user here, the
  // anonymous user. uid is 1 here for now, but very soon it will be changed
  // to 0.
  db_query("INSERT INTO {users} (name, mail) VALUES('%s', '%s')", '', '');
  // We need some placeholders here as name and mail are uniques and data is
  // presumed to be a serialized array. Install will change uid 1 immediately
  // anyways. So we insert the superuser here, the uid is 2 here for now, but
  // very soon it will be changed to 1.
  db_query("INSERT INTO {users} (name, mail, created, data) VALUES('%s', '%s', %d, '%s')", 'placeholder-for-uid-1', 'placeholder-for-uid-1', time(), serialize(array()));
  // This sets the above two users to 1 -1 = 0 (anonymous) and
  // 2- 1 = 1 (superuser). We skip uid 2 but that's not a big problem.
  db_query('UPDATE {users} SET uid = uid - 1');

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  db_query("INSERT INTO {role} (name) VALUES ('%s')", 'anonymous user');
  db_query("INSERT INTO {role} (name) VALUES ('%s')", 'authenticated user');
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  db_query("INSERT INTO {permission} (rid, perm, tid) VALUES (%d, '%s', %d)", 1, 'access content', 0);
  db_query("INSERT INTO {permission} (rid, perm, tid) VALUES (%d, '%s', %d)", 2, 'access comments, access content, post comments, post comments without approval', 0);
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  db_query("INSERT INTO {variable} (name, value) VALUES ('%s', '%s')", 'theme_default', 's:7:"garland";');
  db_query("UPDATE {system} SET status = %d WHERE type = '%s' AND name = '%s'", 1, 'theme', 'garland');
  db_query("INSERT INTO {blocks} (module, delta, theme, status, pages) VALUES ('%s', '%s', '%s', %d, '%s')", 'user', '0', 'garland', 1, '');
  db_query("INSERT INTO {blocks} (module, delta, theme, status, pages) VALUES ('%s', '%s', '%s', %d, '%s')", 'user', '1', 'garland', 1, '');
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  db_query("INSERT INTO {node_access} (nid, gid, realm, grant_view, grant_update, grant_delete) VALUES (%d, %d, '%s', %d, %d, %d)", 0, 0, 'all', 1, 0, 0);
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  // Add input formats.
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  db_query("INSERT INTO {filter_formats} (name, roles, cache) VALUES ('%s', '%s', %d)", 'Filtered HTML', ',1,2,', 1);
  db_query("INSERT INTO {filter_formats} (name, roles, cache) VALUES ('%s', '%s', %d)", 'Full HTML', '', 1);
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  // Enable filters for each input format.

  // Filtered HTML:
  // URL filter.
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  db_query("INSERT INTO {filters} (format, module, delta, weight) VALUES (%d, '%s', %d, %d)", 1, 'filter', 2, 0);
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  // HTML filter.
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  db_query("INSERT INTO {filters} (format, module, delta, weight) VALUES (%d, '%s', %d, %d)", 1, 'filter', 0, 1);
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  // Line break filter.
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  db_query("INSERT INTO {filters} (format, module, delta, weight) VALUES (%d, '%s', %d, %d)", 1, 'filter', 1, 2);
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  // HTML corrector filter.
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  db_query("INSERT INTO {filters} (format, module, delta, weight) VALUES (%d, '%s', %d, %d)", 1, 'filter', 3, 10);
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  // Full HTML:
  // URL filter.
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  db_query("INSERT INTO {filters} (format, module, delta, weight) VALUES (%d, '%s', %d, %d)", 2, 'filter', 2, 0);
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  // Line break filter.
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  db_query("INSERT INTO {filters} (format, module, delta, weight) VALUES (%d, '%s', %d, %d)", 2, 'filter', 1, 1);
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  // HTML corrector filter.
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  db_query("INSERT INTO {filters} (format, module, delta, weight) VALUES (%d, '%s', %d, %d)", 1, 'filter', 3, 10);
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  db_query("INSERT INTO {variable} (name, value) VALUES ('%s','%s')", 'filter_html_1', 'i:1;');
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  db_query("INSERT INTO {variable} (name, value) VALUES ('%s', '%s')", 'node_options_forum', 'a:1:{i:0;s:6:"status";}');
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}

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/**
 * Implementation of hook_schema().
 */
function system_schema() {
  // NOTE: {variable} needs to be created before all other tables, as
  // some database drivers, e.g. Oracle and DB2, will require variable_get()
  // and variable_set() for overcoming some database specific limitations.
  $schema['variable'] = array(
    'fields' => array(
      'name'     => array('type' => 'varchar', 'length' => 128, 'not null' => TRUE, 'default' => ''),
      'value'    => array('type' => 'text', 'not null' => TRUE, 'size' => 'big'),
    ),
    'primary key' => array('name'),
  );

  $schema['actions'] = array(
    'fields' => array(
      'aid' => array('type' => 'varchar', 'length' => 255, 'not null' => TRUE, 'default' => '0'),
      'type' => array('type' => 'varchar', 'length' => 32, 'not null' => TRUE, 'default' => ''),
      'callback' => array('type' => 'varchar', 'length' => 255, 'not null' => TRUE, 'default' => ''),
      'parameters' => array('type' => 'text', 'not null' => TRUE, 'size' => 'big'),
      'description' => array('type' => 'varchar', 'length' => 255, 'not null' => TRUE, 'default' => '0'),
    ),
    'primary key' => array('aid'),
  );

  $schema['actions_aid'] = array(
    'fields' => array(
      'aid' => array('type' => 'serial', 'unsigned' => TRUE, 'not null' => TRUE),
    ),
    'primary key' => array('aid'),
  );

  $schema['batch'] = array(
    'fields' => array(
      'bid'       => array('type' => 'serial', 'unsigned' => TRUE, 'not null' => TRUE),
      'token'     => array('type' => 'varchar', 'length' => 64, 'not null' => TRUE),
      'timestamp' => array('type' => 'int', 'not null' => TRUE),
      'batch'     => array('type' => 'text', 'not null' => FALSE, 'size' => 'big')
    ),
    'primary key' => array('bid'),
    'indexes' => array('token' => array('token')),
  );

  $schema['cache'] = array(
    'fields' => array(
      'cid'        => array('type' => 'varchar', 'length' => 255, 'not null' => TRUE, 'default' => ''),
      'data'       => array('type' => 'blob', 'not null' => FALSE, 'size' => 'big'),
      'expire'     => array('type' => 'int', 'not null' => TRUE, 'default' => 0),
      'created'    => array('type' => 'int', 'not null' => TRUE, 'default' => 0),
      'headers'    => array('type' => 'text', 'not null' => FALSE),
      'serialized' => array('type' => 'int', 'size' => 'small', 'not null' => TRUE, 'default' => 0)
    ),
    'indexes' => array('expire' => array('expire')),
    'primary key' => array('cid'),
  );

  $schema['cache_form'] = $schema['cache'];
  $schema['cache_page'] = $schema['cache'];
  $schema['cache_menu'] = $schema['cache'];

  $schema['files'] = array(
    'fields' => array(
      'fid'       => array('type' => 'serial', 'unsigned' => TRUE, 'not null' => TRUE),
      'uid'       => array('type' => 'int', 'unsigned' => TRUE, 'not null' => TRUE, 'default' => 0),
      'filename'  => array('type' => 'varchar', 'length' => 255, 'not null' => TRUE, 'default' => ''),
      'filepath'  => array('type' => 'varchar', 'length' => 255, 'not null' => TRUE, 'default' => ''),
      'filemime'  => array('type' => 'varchar', 'length' => 255, 'not null' => TRUE, 'default' => ''),
      'filesize'  => array('type' => 'int', 'unsigned' => TRUE, 'not null' => TRUE, 'default' => 0),
      'status'    => array('type' => 'int', 'not null' => TRUE, 'default' => 0),
      'timestamp' => array('type' => 'int', 'unsigned' => TRUE, 'not null' => TRUE, 'default' => 0),
    ),
    'indexes' => array(
      'uid'       => array('uid'),
      'status'    => array('status'),
      'timestamp' => array('timestamp'),
    ),
    'primary key' => array('fid'),
  );

  $schema['flood'] = array(
    'fields' => array(
      'fid'       => array('type' => 'serial', 'not null' => TRUE),
      'event'     => array('type' => 'varchar', 'length' => 64, 'not null' => TRUE, 'default' => ''),
      'hostname'  => array('type' => 'varchar', 'length' => 128, 'not null' => TRUE, 'default' => ''),
      'timestamp' => array('type' => 'int', 'not null' => TRUE, 'default' => 0)
    ),
    'primary key' => array('fid'),
  );

  $schema['history'] = array(
    'fields' => array(
      'uid'       => array('type' => 'int', 'not null' => TRUE, 'default' => 0),
      'nid'       => array('type' => 'int', 'not null' => TRUE, 'default' => 0),
      'timestamp' => array('type' => 'int', 'not null' => TRUE, 'default' => 0)
    ),
    'primary key' => array('uid', 'nid'),
  );
  $schema['menu_router'] = array(
    'fields' => array(
      'path'             => array('type' => 'varchar', 'length' => 255, 'not null' => TRUE, 'default' => ''),
      'load_functions'   => array('type' => 'varchar', 'length' => 255, 'not null' => TRUE, 'default' => ''),
      'to_arg_functions' => array('type' => 'varchar', 'length' => 255, 'not null' => TRUE, 'default' => ''),
      'access_callback'  => array('type' => 'varchar', 'length' => 255, 'not null' => TRUE, 'default' => ''),
      'access_arguments' => array('type' => 'text', 'not null' => FALSE),
      'page_callback'    => array('type' => 'varchar', 'length' => 255, 'not null' => TRUE, 'default' => ''),
      'page_arguments'   => array('type' => 'text', 'not null' => FALSE),
      'fit'              => array('type' => 'int', 'not null' => TRUE, 'default' => 0),
      'number_parts'     => array('type' => 'int', 'not null' => TRUE, 'default' => 0, 'size' => 'small'),
      'tab_parent'       => array('type' => 'varchar', 'length' => 255, 'not null' => TRUE, 'default' => ''),
      'tab_root'         => array('type' => 'varchar', 'length' => 255, 'not null' => TRUE, 'default' => ''),
      'title'            => array('type' => 'varchar', 'length' => 255, 'not null' => TRUE, 'default' => ''),
      'title_callback'   => array('type' => 'varchar', 'length' => 255, 'not null' => TRUE, 'default' => ''),
      'title_arguments'  => array('type' => 'varchar', 'length' => 255, 'not null' => TRUE, 'default' => ''),
      'type'             => array('type' => 'int', 'not null' => TRUE, 'default' => 0),
      'block_callback'   => array('type' => 'varchar', 'length' => 255, 'not null' => TRUE, 'default' => ''),
      'description'      => array('type' => 'text', 'not null' => TRUE),
      'position'         => array('type' => 'varchar', 'length' => 255, 'not null' => TRUE, 'default' => ''),
      'weight'           => array('type' => 'int', 'not null' => TRUE, 'default' => 0),
      'file'             => array('type' => 'text', 'size' => 'medium')
    ),
    'indexes' => array(
      'fit'        => array('fit'),
      'tab_parent' => array('tab_parent')
    ),
    'primary key' => array('path'),
  );

  $schema['menu_links'] = array(
    'fields' => array(
      'menu_name'    => array('type' => 'varchar', 'length' => 32, 'not null' => TRUE, 'default' => ''),
      'mlid'         => array('type' => 'serial', 'unsigned' => TRUE, 'not null' => TRUE),
      'plid'         => array('type' => 'int', 'unsigned' => TRUE, 'not null' => TRUE, 'default' => 0),
      'link_path'    => array('type' => 'varchar', 'length' => 255, 'not null' => TRUE, 'default' => ''),
      'router_path'  => array('type' => 'varchar', 'length' => 255, 'not null' => TRUE, 'default' => ''),
      'link_title'   => array('type' => 'varchar', 'length' => 255, 'not null' => TRUE, 'default' => ''),
      'options'      => array('type' => 'text', 'not null' => FALSE),
      'module'       => array('type' => 'varchar', 'length' => 255, 'not null' => TRUE, 'default' => 'system'),
      'hidden'       => array('type' => 'int', 'not null' => TRUE, 'default' => 0, 'size' => 'small'),
      'external'     => array('type' => 'int', 'not null' => TRUE, 'default' => 0, 'size' => 'small'),
      'has_children' => array('type' => 'int', 'not null' => TRUE, 'default' => 0, 'size' => 'small'),
      'expanded'     => array('type' => 'int', 'not null' => TRUE, 'default' => 0, 'size' => 'small'),
      'weight'       => array('type' => 'int', 'not null' => TRUE, 'default' => 0),
      'depth'        => array('type' => 'int', 'not null' => TRUE, 'default' => 0, 'size' => 'small'),
      'customized'   => array('type' => 'int', 'not null' => TRUE, 'default' => 0, 'size' => 'small'),
      'p1'           => array('type' => 'int', 'unsigned' => TRUE, 'not null' => TRUE, 'default' => 0),
      'p2'           => array('type' => 'int', 'unsigned' => TRUE, 'not null' => TRUE, 'default' => 0),
      'p3'           => array('type' => 'int', 'unsigned' => TRUE, 'not null' => TRUE, 'default' => 0),
      'p4'           => array('type' => 'int', 'unsigned' => TRUE, 'not null' => TRUE, 'default' => 0),
      'p5'           => array('type' => 'int', 'unsigned' => TRUE, 'not null' => TRUE, 'default' => 0),
      'p6'           => array('type' => 'int', 'unsigned' => TRUE, 'not null' => TRUE, 'default' => 0),
      'p7'           => array('type' => 'int', 'unsigned' => TRUE, 'not null' => TRUE, 'default' => 0),
      'p8'           => array('type' => 'int', 'unsigned' => TRUE, 'not null' => TRUE, 'default' => 0),
      'p9'           => array('type' => 'int', 'unsigned' => TRUE, 'not null' => TRUE, 'default' => 0),
      'updated'      => array('type' => 'int', 'not null' => TRUE, 'default' => 0, 'size' => 'small'),
    ),
    'indexes' => array(
      'path_menu'              => array(array('link_path', 128), 'menu_name'),
      'menu_plid_expand_child' => array('menu_name', 'plid', 'expanded', 'has_children'),
      'menu_parents'           => array('menu_name', 'p1', 'p2', 'p3', 'p4', 'p5', 'p6', 'p7', 'p8', 'p9'),
      'router_path'            => array(array('router_path', 128)),
    ),
    'primary key' => array('mlid'),
  );

  $schema['sessions'] = array(
    'fields' => array(
      'uid'       => array('type' => 'int', 'unsigned' => TRUE, 'not null' => TRUE),
      'sid'       => array('type' => 'varchar', 'length' => 64, 'not null' => TRUE, 'default' => ''),
      'hostname'  => array('type' => 'varchar', 'length' => 128, 'not null' => TRUE, 'default' => ''),
      'timestamp' => array('type' => 'int', 'not null' => TRUE, 'default' => 0),
      'cache'     => array('type' => 'int', 'not null' => TRUE, 'default' => 0),
      'session'   => array('type' => 'text', 'not null' => FALSE, 'size' => 'big')
    ),
    'primary key' => array('sid'),
    'indexes' => array(
      'timestamp' => array('timestamp'),
      'uid'       => array('uid')
    ),
  );

  $schema['system'] = array(
    'fields' => array(
      'filename'       => array('type' => 'varchar', 'length' => 255, 'not null' => TRUE, 'default' => ''),
      'name'           => array('type' => 'varchar', 'length' => 255, 'not null' => TRUE, 'default' => ''),
      'type'           => array('type' => 'varchar', 'length' => 255, 'not null' => TRUE, 'default' => ''),
      'owner'          => array('type' => 'varchar', 'length' => 255, 'not null' => TRUE, 'default' => ''),
      'status'         => array('type' => 'int', 'not null' => TRUE, 'default' => 0),
      'throttle'       => array('type' => 'int', 'not null' => TRUE, 'default' => 0, 'size' => 'tiny'),
      'bootstrap'      => array('type' => 'int', 'not null' => TRUE, 'default' => 0),
      'schema_version' => array('type' => 'int', 'not null' => TRUE, 'default' => -1, 'size' => 'small'),
      'weight'         => array('type' => 'int', 'not null' => TRUE, 'default' => 0),
      'info'           => array('type' => 'text', 'not null' => FALSE)
    ),
    'primary key' => array('filename'),
    'indexes' => array('weight' => array('weight')),
  );

  $schema['url_alias'] = array(
    'fields' => array(
      'pid'      => array('type' => 'serial', 'unsigned' => TRUE, 'not null' => TRUE),
      'src'      => array('type' => 'varchar', 'length' => 128, 'not null' => TRUE, 'default' => ''),
      'dst'      => array('type' => 'varchar', 'length' => 128, 'not null' => TRUE, 'default' => ''),
      'language' => array('type' => 'varchar', 'length' => 12, 'not null' => TRUE, 'default' => '')
    ),
    'unique keys' => array('dst_language' => array('dst', 'language')),
    'primary key' => array('pid'),
    'indexes' => array('src' => array('src')),
  );

  return $schema;
}


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// Updates for core
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function system_update_110() {
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  $ret = array();

  // TODO: needs PGSQL version
  if ($GLOBALS['db_type'] == 'mysql') {
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    /*
    ** Search
    */

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    $ret[] = update_sql('DROP TABLE {search_index}');
    $ret[] = update_sql("CREATE TABLE {search_index} (
      word varchar(50) NOT NULL default '',
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      sid int unsigned NOT NULL default '0',
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      type varchar(16) default NULL,
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      fromsid int unsigned NOT NULL default '0',
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      fromtype varchar(16) default NULL,
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      score int unsigned default NULL,
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      KEY sid (sid),
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      KEY fromsid (fromsid),
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      KEY word (word)
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      )");
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    $ret[] = update_sql("CREATE TABLE {search_total} (
      word varchar(50) NOT NULL default '',
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      count int unsigned default NULL,
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      PRIMARY KEY word (word)
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      )");
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    /*
    ** Blocks
    */

    $ret[] = update_sql('ALTER TABLE {blocks} DROP path');
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    $ret[] = update_sql('ALTER TABLE {blocks} ADD visibility tinyint NOT NULL');
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    $ret[] = update_sql('ALTER TABLE {blocks} ADD pages text NOT NULL');
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  }
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  elseif ($GLOBALS['db_type'] == 'pgsql') {
    /*
    ** Search
    */
    $ret[] = update_sql('DROP TABLE {search_index}');
    $ret[] = update_sql("CREATE TABLE {search_index} (
      word varchar(50) NOT NULL default '',
      sid integer NOT NULL default '0',
      type varchar(16) default NULL,
      fromsid integer NOT NULL default '0',
      fromtype varchar(16) default NULL,
      score integer default NULL
      )");
    $ret[] = update_sql("CREATE INDEX {search_index}_sid_idx on {search_index}(sid)");
    $ret[] = update_sql("CREATE INDEX {search_index}_fromsid_idx on {search_index}(fromsid)");
    $ret[] = update_sql("CREATE INDEX {search_index}_word_idx on {search_index}(word)");

    $ret[] = update_sql("CREATE TABLE {search_total} (
      word varchar(50) NOT NULL default '' PRIMARY KEY,
      count integer default NULL
      )");

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    /*
    ** Blocks
    */
    // Postgres can only drop columns since 7.4
    #$ret[] = update_sql('ALTER TABLE {blocks} DROP path');

    $ret[] = update_sql('ALTER TABLE {blocks} ADD visibility smallint');
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    $ret[] = update_sql("ALTER TABLE {blocks} ALTER COLUMN visibility set default 0");
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    $ret[] = update_sql('UPDATE {blocks} SET visibility = 0');
    $ret[] = update_sql('ALTER TABLE {blocks} ALTER COLUMN visibility SET NOT NULL');
    $ret[] = update_sql('ALTER TABLE {blocks} ADD pages text');
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    $ret[] = update_sql("ALTER TABLE {blocks} ALTER COLUMN pages set default ''");
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    $ret[] = update_sql("UPDATE {blocks} SET pages = ''");
    $ret[] = update_sql('ALTER TABLE {blocks} ALTER COLUMN pages SET NOT NULL');

  }

  $ret[] = update_sql("DELETE FROM {variable} WHERE name = 'node_cron_last'");
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  $ret[] = update_sql('UPDATE {blocks} SET status = 1, custom = 2 WHERE status = 0 AND custom = 1');

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  return $ret;
}
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function system_update_111() {
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  $ret = array();

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  $ret[] = update_sql("DELETE FROM {variable} WHERE name LIKE 'throttle_%'");

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  if ($GLOBALS['db_type'] == 'mysql') {
    $ret[] = update_sql('ALTER TABLE {sessions} ADD PRIMARY KEY sid (sid)');
  }
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  elseif ($GLOBALS['db_type'] == 'pgsql') {
    $ret[] = update_sql('ALTER TABLE {sessions} ADD UNIQUE(sid)');
  }
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  return $ret;
}

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function system_update_112() {
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  $ret = array();

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  if ($GLOBALS['db_type'] == 'mysql') {
    $ret[] = update_sql("CREATE TABLE {flood} (
      event varchar(64) NOT NULL default '',
      hostname varchar(128) NOT NULL default '',
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      timestamp int NOT NULL default '0'
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     );");
  }
  elseif ($GLOBALS['db_type'] == 'pgsql') {
    $ret[] = update_sql("CREATE TABLE {flood} (
      event varchar(64) NOT NULL default '',
      hostname varchar(128) NOT NULL default '',
      timestamp integer NOT NULL default 0
     );");
  }
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  return $ret;
}

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function system_update_113() {
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  $ret = array();

  if ($GLOBALS['db_type'] == 'mysql') {
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    $ret[] = update_sql('ALTER TABLE {accesslog} ADD aid int NOT NULL auto_increment, ADD PRIMARY KEY (aid)');
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  }
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  elseif ($GLOBALS['db_type'] == 'pgsql') {
    $ret[] = update_sql("SELECT * INTO TEMPORARY {accesslog}_t FROM {accesslog}");
    $ret[] = update_sql("DROP TABLE {accesslog}");
    $ret[] = update_sql("CREATE TABLE {accesslog} (
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      aid serial,
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      title varchar(255) default NULL,
      path varchar(255) default NULL,
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      url varchar(255) default NULL,
      hostname varchar(128) default NULL,
      uid integer default '0',
      timestamp integer NOT NULL default '0'
    )");
    $ret[] = update_sql("INSERT INTO {accesslog} (title, path, url, hostname, uid, timestamp) SELECT title, path, url, hostname, uid, timestamp FROM {accesslog}_t");

    $ret[] = update_sql("DROP TABLE {accesslog}_t");
    $ret[] = update_sql("CREATE INDEX {accesslog}_timestamp_idx ON {accesslog} (timestamp);");

  }

  // Flush the menu cache:
  cache_clear_all('menu:', TRUE);

  return $ret;
}

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function system_update_114() {
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  $ret = array();
  if ($GLOBALS['db_type'] == 'mysql') {
    $ret[] = update_sql("CREATE TABLE {queue} (
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      nid int unsigned NOT NULL,
      uid int unsigned NOT NULL,
      vote int NOT NULL default '0',
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      PRIMARY KEY (nid, uid)
     )");
  }
  else if ($GLOBALS['db_type'] == 'pgsql') {
    $ret[] = update_sql("CREATE TABLE {queue} (
      nid integer NOT NULL default '0',
      uid integer NOT NULL default '0',
      vote integer NOT NULL default '0',
      PRIMARY KEY (nid, uid)
    )");
    $ret[] = update_sql("CREATE INDEX {queue}_nid_idx ON queue(nid)");
    $ret[] = update_sql("CREATE INDEX {queue}_uid_idx ON queue(uid)");
  }

  $result = db_query("SELECT nid, votes, score, users FROM {node}");
  while ($node = db_fetch_object($result)) {
    if (isset($node->users)) {
      $arr = explode(',', $node->users);
      unset($node->users);
      foreach ($arr as $value) {
        $arr2 = explode('=', trim($value));
        if (isset($arr2[0]) && isset($arr2[1])) {
          switch ($arr2[1]) {
            case '+ 1':
              db_query("INSERT INTO {queue} (nid, uid, vote) VALUES (%d, %d, %d)", $node->nid, (int)$arr2[0], 1);
              break;
            case '- 1':
              db_query("INSERT INTO {queue} (nid, uid, vote) VALUES (%d, %d, %d)", $node->nid, (int)$arr2[0], -1);
              break;
            default:
              db_query("INSERT INTO {queue} (nid, uid, vote) VALUES (%d, %d, %d)", $node->nid, (int)$arr2[0], 0);
          }
        }
      }
    }
  }

  if ($GLOBALS['db_type'] == 'mysql') {
    // Postgres only supports dropping of columns since 7.4
    $ret[] = update_sql("ALTER TABLE {node} DROP votes");
    $ret[] = update_sql("ALTER TABLE {node} DROP score");
    $ret[] = update_sql("ALTER TABLE {node} DROP users");
  }

  return $ret;
}

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function system_update_115() {
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  $ret = array();
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  // This update has been moved to update_fix_watchdog_115 in update.php because it
  // is needed for the basic functioning of the update script.

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  return $ret;
}

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function system_update_116() {
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  return array(update_sql("DELETE FROM {system} WHERE name = 'admin'"));
}

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function system_update_117() {
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  $ret = array();
  if ($GLOBALS['db_type'] == 'mysql') {
    $ret[] = update_sql("CREATE TABLE {vocabulary_node_types} (
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                         vid int NOT NULL default '0',
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                         type varchar(16) NOT NULL default '',
                         PRIMARY KEY (vid, type))");
  }
  else if ($GLOBALS['db_type'] == 'pgsql') {
    $ret[] = update_sql("CREATE TABLE {vocabulary_node_types} (
                         vid serial,
                         type varchar(16) NOT NULL default '',
                          PRIMARY KEY (vid, type)) ");
  }
  return $ret;
}

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function system_update_118() {
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  $ret = array();
  $node_types = array();
  $result = db_query('SELECT vid, nodes FROM {vocabulary}');
  while ($vocabulary = db_fetch_object($result)) {
    $node_types[$vocabulary->vid] = explode(',', $vocabulary->nodes);
  }
  foreach ($node_types as $vid => $type_array) {
    foreach ($type_array as $type) {
      db_query("INSERT INTO {vocabulary_node_types} (vid, type) VALUES (%d, '%s')", $vid, $type);
    }
  }
  if ($GLOBALS['db_type'] == 'mysql') {
    $ret[] = update_sql("ALTER TABLE {vocabulary} DROP nodes");
  }
  return $ret;
}

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function system_update_119() {
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  $ret = array();

  foreach (node_get_types() as $type => $name) {
    $node_options = array();
    if (variable_get('node_status_'. $type, 1)) {
      $node_options[] = 'status';
    }
    if (variable_get('node_moderate_'. $type, 0)) {
      $node_options[] = 'moderate';
    }
    if (variable_get('node_promote_'. $type, 1)) {
      $node_options[] = 'promote';
    }
    if (variable_get('node_sticky_'. $type, 0)) {
      $node_options[] = 'sticky';
    }
    if (variable_get('node_revision_'. $type, 0)) {
      $node_options[] = 'revision';
    }
    variable_set('node_options_'. $type, $node_options);
    variable_del('node_status_'. $type);
    variable_del('node_moderate_'. $type);
    variable_del('node_promote_'. $type);
    variable_del('node_sticky_'. $type);
    variable_del('node_revision_'. $type);
  }

  return $ret;
}

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function system_update_120() {
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  $ret = array();

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  // Rewrite old URL aliases. Works for both PostgreSQL and MySQL
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  $result = db_query("SELECT pid, src FROM {url_alias} WHERE src LIKE 'blog/%%'");
  while ($alias = db_fetch_object($result)) {
    list(, $page, $op, $uid) = explode('/', $alias->src);
    if ($page == 'feed') {
      $new = "blog/$uid/feed";
      update_sql("UPDATE {url_alias} SET src = '%s' WHERE pid = '%s'", $new, $alias->pid);
    }
  }

  return $ret;
}

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function system_update_121() {
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  $ret = array();

  // Remove the unused page table.
  $ret[] = update_sql('DROP TABLE {page}');

  return $ret;
}

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function system_update_122() {
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  $ret = array();
  $ret[] = update_sql("ALTER TABLE {blocks} ADD types text");
  return $ret;

}

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function system_update_123() {
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  $ret = array();

  if ($GLOBALS['db_type'] == 'mysql') {
    $ret[] = update_sql("ALTER TABLE {vocabulary} ADD module varchar(255) NOT NULL default ''");
  }
  elseif ($GLOBALS['db_type'] == 'pgsql') {
    $ret[] = update_sql("ALTER TABLE {vocabulary} ADD module varchar(255)");
    $ret[] = update_sql("UPDATE {vocabulary} SET module = ''");
    $ret[] = update_sql("ALTER TABLE {vocabulary} ALTER COLUMN module SET NOT NULL");
    $ret[] = update_sql("ALTER TABLE {vocabulary} ALTER COLUMN module SET DEFAULT ''");
  }

  $ret[] = update_sql("UPDATE {vocabulary} SET module = 'taxonomy'");
  $vid = variable_get('forum_nav_vocabulary', '');
  if (!empty($vid)) {
    $ret[] = update_sql("UPDATE {vocabulary} SET module = 'forum' WHERE vid = " . $vid);
  }

  return $ret;
}

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function system_update_124() {
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  $ret = array();

  if ($GLOBALS['db_type'] == 'mysql') {
    // redo update_105, correctly creating node_comment_statistics
    $ret[] = update_sql("DROP TABLE IF EXISTS {node_comment_statistics}");

    $ret[] = update_sql("CREATE TABLE {node_comment_statistics} (
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      nid int unsigned NOT NULL auto_increment,
      last_comment_timestamp int NOT NULL default '0',
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      last_comment_name varchar(60) default NULL,
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      last_comment_uid int NOT NULL default '0',
      comment_count int unsigned NOT NULL default '0',
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      PRIMARY KEY (nid),
      KEY node_comment_timestamp (last_comment_timestamp)
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      )");
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  }

  else {
    // also drop incorrectly named table for PostgreSQL
    $ret[] = update_sql("DROP TABLE {node}_comment_statistics");

    $ret[] = update_sql("CREATE TABLE {node_comment_statistics} (
      nid integer NOT NULL,
      last_comment_timestamp integer NOT NULL default '0',
      last_comment_name varchar(60)  default NULL,
      last_comment_uid integer NOT NULL default '0',
      comment_count integer NOT NULL default '0',
      PRIMARY KEY (nid)
    )");

    $ret[] = update_sql("CREATE INDEX {node_comment_statistics}_timestamp_idx ON {node_comment_statistics}(last_comment_timestamp);
");
  }

  // initialize table
  $ret[] = update_sql("INSERT INTO {node_comment_statistics} (nid, last_comment_timestamp, last_comment_name, last_comment_uid, comment_count) SELECT n.nid, n.changed, NULL, 0, 0 FROM {node} n");

  // fill table
  $result = db_query("SELECT c.nid, c.timestamp, c.name, c.uid, COUNT(c.nid) as comment_count FROM {node} n LEFT JOIN {comments} c ON c.nid = n.nid WHERE c.status = 0 GROUP BY c.nid, c.timestamp, c.name, c.uid");
  while ($comment_record = db_fetch_object($result)) {
    $count = db_result(db_query('SELECT COUNT(cid) FROM {comments} WHERE nid = %d AND status = 0', $comment_record->nid));
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    db_query("UPDATE {node_comment_statistics} SET comment_count = %d, last_comment_timestamp = %d, last_comment_name = '%s', last_comment_uid = %d WHERE nid = %d", $count, $comment_record->timestamp, $comment_record->name, $comment_record->uid, $comment_record->nid);
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  }

  return $ret;
}

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function system_update_125() {
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  // Postgres only update.
  $ret = array();

  if ($GLOBALS['db_type'] == 'pgsql') {

    $ret[] = update_sql("CREATE OR REPLACE FUNCTION if(boolean, anyelement, anyelement) RETURNS anyelement AS '
          SELECT CASE WHEN $1 THEN $2 ELSE $3 END;
        ' LANGUAGE 'sql'");

    $ret[] = update_sql("CREATE FUNCTION greatest(integer, integer, integer) RETURNS integer AS '
                          SELECT greatest($1, greatest($2, $3));
                        ' LANGUAGE 'sql'");

  }

  return $ret;
}

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function system_update_126() {
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  variable_set('forum_block_num_0', variable_get('forum_block_num', 5));
  variable_set('forum_block_num_1', variable_get('forum_block_num', 5));
  variable_del('forum_block_num');

  return array();
}

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function system_update_127() {
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  $ret = array();
  if ($GLOBALS['db_type'] == 'pgsql') {
    $ret[] = update_sql("ALTER TABLE {poll} RENAME voters TO polled");
  }
  else if ($GLOBALS['db_type'] == 'mysql') {
    $ret[] = update_sql("ALTER TABLE {poll} CHANGE voters polled longtext");
  }
  return $ret;
}

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function system_update_128() {
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  $ret = array();

  if ($GLOBALS['db_type'] == 'mysql') {
    $ret[] = update_sql('ALTER TABLE {term_node} ADD PRIMARY KEY (tid,nid)');
  }
  elseif ($GLOBALS['db_type'] == 'pgsql') {
    $ret[] = update_sql('ALTER TABLE {term_node} ADD PRIMARY KEY (tid,nid)');
  }

  return $ret;
}

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function system_update_129() {
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  $ret = array();

  if ($GLOBALS['db_type'] == 'mysql') {
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    $ret[] = update_sql("ALTER TABLE {vocabulary} ADD tags tinyint unsigned default '0' NOT NULL");
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  }
  elseif ($GLOBALS['db_type'] == 'pgsql') {
    db_add_column($ret, 'vocabulary', 'tags', 'smallint', array('default' => 0, 'not null' => TRUE));
  }

  return $ret;
}

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function system_update_130() {
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  $ret = array();
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  // This update has been moved to update_fix_sessions in update.php because it
  // is needed for the basic functioning of the update script.

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  return $ret;
}

977
function system_update_131() {
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  $ret = array();

  if ($GLOBALS['db_type'] == 'mysql') {
    $ret[] = update_sql("ALTER TABLE {boxes} DROP INDEX title");
    // Removed recreation of the index, which is not present in the db schema
  }
  elseif ($GLOBALS['db_type'] == 'pgsql') {
    $ret[] = update_sql("ALTER TABLE {boxes} DROP CONSTRAINT {boxes}_title_key");
  }

  return $ret;
}

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function system_update_132() {
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  /**
   * PostgreSQL only update.
   */
  $ret = array();

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  if (!variable_get('update_132_done', FALSE)) {
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    if ($GLOBALS['db_type'] == 'pgsql') {
      $ret[] = update_sql('DROP TABLE {search_total}');
      $ret[] = update_sql("CREATE TABLE {search_total} (