system.install 165 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' => $t('PHP'),
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    'value' => ($phase == 'runtime') ? l(phpversion(), 'admin/reports/status/php') : phpversion(),
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  );
  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/reports/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(
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    'description' => t('Named variable/value pairs created by Drupal core or any other module or theme.  All variables are cached in memory at the start of every Drupal request so developers should not be careless about what is stored here.'),
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    'fields' => array(
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      'name' => array(
        'description' => t('The name of the variable.'),
        'type' => 'varchar',
        'length' => 128,
        'not null' => TRUE,
        'default' => ''),
      'value' => array(
        'description' => t('The value of the variable.'),
        'type' => 'text',
        'not null' => TRUE,
        'size' => 'big'),
      ),
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    'primary key' => array('name'),
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    );
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  $schema['actions'] = array(
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    'description' => t('Stores action information.'),
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    'fields' => array(
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      'aid' => array(
        'description' => t('Primary Key: Unique actions ID.'),
        'type' => 'varchar',
        'length' => 255,
        'not null' => TRUE,
        'default' => '0'),
      'type' => array(
        'description' => t('The object that that action acts on (node, user, comment, system or custom types.)'),
        'type' => 'varchar',
        'length' => 32,
        'not null' => TRUE,
        'default' => ''),
      'callback' => array(
        'description' => t('The callback function that executes when the action runs.'),
        'type' => 'varchar',
        'length' => 255,
        'not null' => TRUE,
        'default' => ''),
      'parameters' => array(
        'description' => t('Parameters to be passed to the callback function.'),
        'type' => 'text',
        'not null' => TRUE,
        'size' => 'big'),
      'description' => array(
        'description' => t('Description of the action.'),
        'type' => 'varchar',
        'length' => 255,
        'not null' => TRUE,
        'default' => '0'),
      ),
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    'primary key' => array('aid'),
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    );
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  $schema['actions_aid'] = array(
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    'description' => t('Stores action IDs for non-default actions.'),
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    'fields' => array(
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      'aid' => array(
        'description' => t('Primary Key: Unique actions ID.'),
        'type' => 'serial',
        'unsigned' => TRUE,
        'not null' => TRUE),
      ),
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    'primary key' => array('aid'),
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    );
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  $schema['batch'] = array(
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    'description' => t('Stores details about batches (processes that run in multiple HTTP requests).'),
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    'fields' => array(
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      'bid' => array(
        'description' => t('Primary Key: Unique batch ID.'),
        'type' => 'serial',
        'unsigned' => TRUE,
        'not null' => TRUE),
      'token' => array(
        'description' => t("A string token generated against the current user's session id and the batch id, used to ensure that only the user who submitted the batch can effectively access it."),
        'type' => 'varchar',
        'length' => 64,
        'not null' => TRUE),
      'timestamp' => array(
        'description' => t('A Unix timestamp indicating when this batch was submitted for processing. Stale batches are purged at cron time.'),
        'type' => 'int',
        'not null' => TRUE),
      'batch' => array(
        'description' => t('A serialized array containing the processing data for the batch.'),
        'type' => 'text',
        'not null' => FALSE,
        'size' => 'big')
      ),
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    'primary key' => array('bid'),
    'indexes' => array('token' => array('token')),
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    );
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  $schema['cache'] = array(
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    'description' => t('Generic cache table for caching things not separated out into their own tables. Contributed modules may also use this to store cached items.'),
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    'fields' => array(
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      'cid' => array(
        'description' => t('Primary Key: Unique cache ID.'),
        'type' => 'varchar',
        'length' => 255,
        'not null' => TRUE,
        'default' => ''),
      'data' => array(
        'description' => t('A collection of data to cache.'),
        'type' => 'blob',
        'not null' => FALSE,
        'size' => 'big'),
      'expire' => array(
        'description' => t('A Unix timestamp indicating when the cache entry should expire, or 0 for never.'),
        'type' => 'int',
        'not null' => TRUE,
        'default' => 0),
      'created' => array(
        'description' => t('A Unix timestamp indicating when the cache entry was created.'),
        'type' => 'int',
        'not null' => TRUE,
        'default' => 0),
      'headers' => array(
        'description' => t('Any custom HTTP headers to be added to cached data.'),
        'type' => 'text',
        'not null' => FALSE),
      'serialized' => array(
        'description' => t('A flag to indicate whether content is serialized (1) or not (0).'),
        'type' => 'int',
        'size' => 'small',
        'not null' => TRUE,
        'default' => 0)
      ),
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    'indexes' => array('expire' => array('expire')),
    'primary key' => array('cid'),
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    );
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  $schema['cache_form'] = $schema['cache'];
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  $schema['cache_form']['description'] = t('Cache table for the form system to store recently built forms and their storage data, to be used in subsequent page requests.');
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  $schema['cache_page'] = $schema['cache'];
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  $schema['cache_page']['description'] = t('Cache table used to store compressed pages for anonymous users, if page caching is enabled.');
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  $schema['cache_menu'] = $schema['cache'];
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  $schema['cache_menu']['description'] = t('Cache table for the menu system to store router information as well as generated link trees for various menu/page/user combinations.');
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  $schema['files'] = array(
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    'description' => t('Stores information for uploaded files.'),
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    'fields' => array(
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      'fid' => array(
        'description' => t('Primary Key: Unique files ID.'),
        'type' => 'serial',
        'unsigned' => TRUE,
        'not null' => TRUE),
      'uid' => array(
        'description' => t('The {users}.uid of the user who is associated with the file.'),
        'type' => 'int',
        'unsigned' => TRUE,
        'not null' => TRUE,
        'default' => 0),
      'filename' => array(
        'description' => t('Name of the file.'),
        'type' => 'varchar',
        'length' => 255,
        'not null' => TRUE,
        'default' => ''),
      'filepath' => array(
        'description' => t('Path of the file relative to Drupal root.'),
        'type' => 'varchar',
        'length' => 255,
        'not null' => TRUE,
        'default' => ''),
      'filemime' => array(
        'description' => t('The file MIME type.'),
        'type' => 'varchar',
        'length' => 255,
        'not null' => TRUE,
        'default' => ''),
      'filesize' => array(
        'description' => t('The size of the file in bytes.'),
        'type' => 'int',
        'unsigned' => TRUE,
        'not null' => TRUE,
        'default' => 0),
      'status' => array(
        'description' => t('A flag indicating whether file is temporary (1) or permanent (0).'),
        'type' => 'int',
        'not null' => TRUE,
        'default' => 0),
      'timestamp' => array(
        'description' => t('UNIX timestamp for when the file was added.'),
        'type' => 'int',
        'unsigned' => TRUE,
        'not null' => TRUE,
        'default' => 0),
      ),
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    'indexes' => array(
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      'uid' => array('uid'),
      'status' => array('status'),
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      'timestamp' => array('timestamp'),
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      ),
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    'primary key' => array('fid'),
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    );
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  $schema['flood'] = array(
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    'description' => t('Flood controls the threshold of events, such as the number of contact attempts.'),
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    'fields' => array(
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      'fid' => array(
        'description' => t('Unique flood event ID.'),
        'type' => 'serial',
        'not null' => TRUE),
      'event' => array(
        'description' => t('Name of event (e.g. contact).'),
        'type' => 'varchar',
        'length' => 64,
        'not null' => TRUE,
        'default' => ''),
      'hostname' => array(
        'description' => t('Hostname of the visitor.'),
        'type' => 'varchar',
        'length' => 128,
        'not null' => TRUE,
        'default' => ''),
      'timestamp' => array(
        'description' => t('Timestamp of the event.'),
        'type' => 'int',
        'not null' => TRUE,
        'default' => 0)
      ),
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    'primary key' => array('fid'),
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    );
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  $schema['history'] = array(
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    'description' => t('A record of which {users} have read which {node}s.'),
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    'fields' => array(
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      'uid' => array(
        'description' => t('The {users}.uid that read the {node} nid.'),
        'type' => 'int',
        'not null' => TRUE,
        'default' => 0),
      'nid' => array(
        'description' => t('The {node}.nid that was read.'),
        'type' => 'int',
        'not null' => TRUE,
        'default' => 0),
      'timestamp' => array(
        'description' => t('The Unix timestamp at which the read occurred.'),
        'type' => 'int',
        'not null' => TRUE,
        'default' => 0)
      ),
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    'primary key' => array('uid', 'nid'),
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    );
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  $schema['menu_router'] = array(
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    'description' => t('Maps paths to various callbacks (access, page and title)'),
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    'fields' => array(
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      'path' => array(
        'description' => t('Primary Key: the Drupal path this entry describes'),
        'type' => 'varchar',
        'length' => 255,
        'not null' => TRUE,
        'default' => ''),
      'load_functions' => array(
        'description' => t('A serialized array of function names (like node_load) to be called to load an object corresponding to a part of the current path.'),
        'type' => 'varchar',
        'length' => 255,
        'not null' => TRUE,
        'default' => ''),
      'to_arg_functions' => array(
        'description' => t('A serialized array of function names (like user_current_to_arg) to be called to replace a part of the router path with another string.'),
        'type' => 'varchar',
        'length' => 255,
        'not null' => TRUE,
        'default' => ''),
      'access_callback' => array(
        'description' => t('The callback which determines the access to this router path. Defaults to user_access.'),
        'type' => 'varchar',
        'length' => 255,
        'not null' => TRUE,
        'default' => ''),
      'access_arguments' => array(
        'description' => t('A serialized array of arguments for the access callback.'),
        'type' => 'text',
        'not null' => FALSE),
      'page_callback' => array(
        'description' => t('The name of the function that renders the page.'),
        'type' => 'varchar',
        'length' => 255,
        'not null' => TRUE,
        'default' => ''),
      'page_arguments' => array(
        'description' => t('A serialized array of arguments for the page callback.'),
        'type' => 'text',
        'not null' => FALSE),
      'fit' => array(
        'description' => t('A numeric representation of how specific the path is.'),
        'type' => 'int',
        'not null' => TRUE,
        'default' => 0),
      'number_parts' => array(
        'description' => t('Number of parts in this router path.'),
        'type' => 'int',
        'not null' => TRUE,
        'default' => 0,
        'size' => 'small'),
      'tab_parent' => array(
        'description' => t('Only for local tasks (tabs) - the router path of the parent page (which may also be a local task).'),
        'type' => 'varchar',
        'length' => 255,
        'not null' => TRUE,
        'default' => ''),
      'tab_root' => array(
        'description' => t('Router path of the closest non-tab parent page.  For pages that are not local tasks, this will be the same as the path.'),
        'type' => 'varchar',
        'length' => 255,
        'not null' => TRUE,
        'default' => ''),
      'title' => array(
        'description' => t('The title for the current page, or the title for the tab if this is a local task.'),
        'type' => 'varchar',
        'length' => 255,
        'not null' => TRUE,
        'default' => ''),
      'title_callback' => array(
        'description' => t('A function which will alter the title. Defaults to t()'),
        'type' => 'varchar',
        'length' => 255,
        'not null' => TRUE,
        'default' => ''),
      'title_arguments' => array(
        'description' => t('A serialized array of arguments for the title callback.  If empty, the title will be used as the sole argument for the title callback.'),
        'type' => 'varchar',
        'length' => 255,
        'not null' => TRUE,
        'default' => ''),
      'type' => array(
        'description' => t('Numeric representation of the type of the menu item, like MENU_LOCAL_TASK.'),
        'type' => 'int',
        'not null' => TRUE,
        'default' => 0),
      'block_callback' => array(
        'description' => t('Name of a function used to render the block on the system administration page for this item.'),
        'type' => 'varchar',
        'length' => 255,
        'not null' => TRUE,
        'default' => ''),
      'description' => array(
        'description' => t('A description of this item.'),
        'type' => 'text',
        'not null' => TRUE),
      'position' => array(
        'description' => t('The position of the block (left or right) on the system administration page for this item.'),
        'type' => 'varchar',
        'length' => 255,
        'not null' => TRUE,
        'default' => ''),
      'weight' => array(
        'description' => t('Weight of the element. Lighter weights are higher up, heavier weights go down.'),
        'type' => 'int',
        'not null' => TRUE,
        'default' => 0),
      'file' => array(
        'description' => t('The file to include for this element, usually the page callback function lives in this file.'),
        'type' => 'text',
        'size' => 'medium')
      ),
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    'indexes' => array(
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      'fit' => array('fit'),
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      'tab_parent' => array('tab_parent')
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      ),
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    'primary key' => array('path'),
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    );
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  $schema['menu_links'] = array(
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    'description' => t('Contains the individual links within a menu.'),
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    'fields' => array(
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     'menu_name' => array(
        'description' => t("The menu name. All links with the same menu name (such as 'navigation') are part of the same menu."),
        'type' => 'varchar',
        'length' => 32,
        'not null' => TRUE,
        'default' => ''),
      'mlid' => array(
        'description' => t('The menu link ID (mlid) is the integer primary key.'),
        'type' => 'serial',
        'unsigned' => TRUE,
        'not null' => TRUE),
      'plid' => array(
        'description' => t('The parent link ID (plid) is the mlid of the link above in the hierarchy, or zero if the link is at the top level in its menu.'),
        'type' => 'int',
        'unsigned' => TRUE,
        'not null' => TRUE,
        'default' => 0),
      'link_path' => array(
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        'description' => t('The Drupal path or external path this link points to.'),
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        'type' => 'varchar',
        'length' => 255,
        'not null' => TRUE,
        'default' => ''),
      'router_path' => array(
        'description' => t('For links corresponding to a Drupal path (external = 0), this connects the link to a {menu_router}.path for joins.'),
        'type' => 'varchar',
        'length' => 255,
        'not null' => TRUE,
        'default' => ''),
      'link_title' => array(
      'description' => t('The text displayed for the link, which may be modified by a title callback stored in {menu_router}.'),
        'type' => 'varchar',
        'length' => 255,
        'not null' => TRUE,
        'default' => ''),
      'options' => array(
        'description' => t('A serialized array of options to be passed to the url() or l() function, such as a query string or HTML attributes.'),
        'type' => 'text',
        'not null' => FALSE),
      'module' => array(
        'description' => t('The name of the module that generated this link.'),
        'type' => 'varchar',
        'length' => 255,
        'not null' => TRUE,
        'default' => 'system'),
      'hidden' => array(
        'description' => t('A flag for whether the link should be rendered in menus. (1 = a disabled menu item that may be shown on admin screens, -1 = a menu callback, 0 = a normal, visible link)'),
        'type' => 'int',
        'not null' => TRUE,
        'default' => 0,
        'size' => 'small'),
      'external' => array(
        'description' => t('A flag to indicate if the link points to a full URL starting with a protocol, like http:// (1 = external, 0 = internal).'),
        'type' => 'int',
        'not null' => TRUE,
        'default' => 0,
        'size' => 'small'),
      'has_children' => array(
        'description' => t('Flag indicating whether any links have this link as a parent (1 = children exist, 0 = no children).'),
        'type' => 'int',
        'not null' => TRUE,
        'default' => 0,
        'size' => 'small'),
      'expanded' => array(
        'description' => t('Flag for whether this link should be rendered as expanded in menus - expanded links always have their child links displayed, instead of only when the link is in the active trail (1 = expanded, 0 = not expanded)'),
        'type' => 'int',
        'not null' => TRUE,
        'default' => 0,
        'size' => 'small'),
      'weight' => array(
        'description' => t('Link weight among links in the same menu at the same depth.'),
        'type' => 'int',
        'not null' => TRUE,
        'default' => 0),
      'depth' => array(
        'description' => t('The depth relative to the top level. A link with plid == 0 will have depth == 1.'),
        'type' => 'int',
        'not null' => TRUE,
        'default' => 0,
        'size' => 'small'),
      'customized' => array(
        'description' => t('A flag to indicate that the user has manually created or edited the link (1 = customized, 0 = not customized).'),
        'type' => 'int',
        'not null' => TRUE,
        'default' => 0,
        'size' => 'small'),
      'p1' => array(
        'description' => t('The first mlid in the materialized path. If N = depth, then pN must equal the mlid.  If depth > 1 then p(N-1) must equal the plid. All pX where X > depth must equal zero. The columns p1 .. p9 are also called the parents.'),
        'type' => 'int',
        'unsigned' => TRUE,
        'not null' => TRUE,
        'default' => 0),
      'p2' => array(
        'description' => t('The second mlid in the materialized path. See p1.'),
        'type' => 'int',
        'unsigned' => TRUE,
        'not null' => TRUE,
        'default' => 0),
      'p3' => array(
        'description' => t('The third mlid in the materialized path. See p1.'),
        'type' => 'int',
        'unsigned' => TRUE,
        'not null' => TRUE,
        'default' => 0),
      'p4' => array(
        'description' => t('The fourth mlid in the materialized path. See p1.'),
        'type' => 'int',
        'unsigned' => TRUE,
        'not null' => TRUE,
        'default' => 0),
      'p5' => array(
        'description' => t('The fifth mlid in the materialized path. See p1.'),
        'type' => 'int',
        'unsigned' => TRUE,
        'not null' => TRUE,
        'default' => 0),
      'p6' => array(
        'description' => t('The sixth mlid in the materialized path. See p1.'),
        'type' => 'int',
        'unsigned' => TRUE,
        'not null' => TRUE,
        'default' => 0),
      'p7' => array(
        'description' => t('The seventh mlid in the materialized path. See p1.'),
        'type' => 'int',
        'unsigned' => TRUE,
        'not null' => TRUE,
        'default' => 0),
      'p8' => array(
        'description' => t('The eighth mlid in the materialized path. See p1.'),
        'type' => 'int',
        'unsigned' => TRUE,
        'not null' => TRUE,
        'default' => 0),
      'p9' => array(
        'description' => t('The ninth mlid in the materialized path. See p1.'),
        'type' => 'int',
        'unsigned' => TRUE,
        'not null' => TRUE,
        'default' => 0),
      'updated' => array(
        'description' => t('Flag that indicates that this link was generated during the update from Drupal 5.'),
        'type' => 'int',
        'not null' => TRUE,
        'default' => 0,
        'size' => 'small'),
      ),
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    'indexes' => array(
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      '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)),
      ),
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    'primary key' => array('mlid'),
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    );
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  $schema['sessions'] = array(
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    'description' => t("Drupal's session handlers read and write into the sessions table. Each record represents a user session, either anonymous or authenticated."),
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    'fields' => array(
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      'uid' => array(
        'description' => t('The {users}.uid corresponding to a session, or 0 for anonymous user.'),
        'type' => 'int',
        'unsigned' => TRUE,
        'not null' => TRUE),
      'sid' => array(
        'description' => t("Primary key: A session ID. The value is generated by PHP's Session API."),
        'type' => 'varchar',
        'length' => 64,
        'not null' => TRUE,
        'default' => ''),
      'hostname' => array(
        'description' => t('The IP address that last used this session ID (sid).'),
        'type' => 'varchar',
        'length' => 128,
        'not null' => TRUE,
        'default' => ''),
      'timestamp' => array(
        'description' => t('The Unix timestamp when this session last requested a page. Old records are purged by PHP automatically.'),
        'type' => 'int',
        'not null' => TRUE,
        'default' => 0),
      'cache' => array(
        'description' => t("The time of this user's last post. This is used when the site has specified a minimum_cache_lifetime. See cache_get()."),
        'type' => 'int',
        'not null' => TRUE,
        'default' => 0),
      'session' => array(
        'description' => t('The serialized contents of $_SESSION, an array of name/value pairs that persists across page requests by this session ID.  Drupal loads $_SESSION from here at the start of each request and saves it at the end.'),
        'type' => 'text',
        'not null' => FALSE,
        'size' => 'big')
      ),
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    'primary key' => array('sid'),
    'indexes' => array(
      'timestamp' => array('timestamp'),
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      'uid' => array('uid')
      ),
    );
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  $schema['system'] = array(
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    'description' => t("A list of all modules, themes, and theme engines that are or have been installed in Drupal's file system."),
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    'fields' => array(
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      'filename' => array(
        'description' => t('The path of the primary file for this item, relative to the Drupal root; e.g. modules/node/node.module.'),
        'type' => 'varchar',
        'length' => 255,
        'not null' => TRUE,
        'default' => ''),
      'name' => array(
        'description' => t('The name of the item; e.g. node.'),
        'type' => 'varchar',
        'length' => 255,
        'not null' => TRUE,
        'default' => ''),
      'type' => array(
        'description' => t('The type of the item, either module, theme, or theme_engine.'),
        'type' => 'varchar',
        'length' => 255,
        'not null' => TRUE,
        'default' => ''),
      'owner' => array(
        'description' => t("A theme's 'parent'. Can be either a theme or an engine."),
        'type' => 'varchar',
        'length' => 255,
        'not null' => TRUE,
        'default' => ''),
      'status' => array(
        'description' => t('Boolean indicating whether or not this item is enabled.'),
        'type' => 'int',
        'not null' => TRUE,
        'default' => 0),
      'throttle' => array(
        'description' => t('Boolean indicating whether this item is disabled when the throttle.module disables throttlable items.'),
        'type' => 'int',
        'not null' => TRUE,
        'default' => 0,
        'size' => 'tiny'),
      'bootstrap' => array(
        'description' => t("Boolean indicating whether this module is loaded during Drupal's early bootstrapping phase (e.g. even before the page cache is consulted)."),
        'type' => 'int',
        'not null' => TRUE,
        'default' => 0),
      'schema_version' => array(
        'description' => t("The module's database schema version number.  -1 if the module is not installed (its tables do not exist); 0 or the largest N of the module's hook_update_N() function that has either been run or existed when the module was first installed."),
        'type' => 'int',
        'not null' => TRUE,
        'default' => -1,
        'size' => 'small'),
      'weight' => array(
        'description' => t("The order in which this module's hooks should be invoked relative to other modules.  Equal-weighted modules are ordered by name."),
        'type' => 'int',
        'not null' => TRUE,
        'default' => 0),
      'info' => array(
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        'description' => t("A serialized array containing information from the module's .info file; keys can include name, description, package, version, core, dependencies, dependents, and php."),
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        'type' => 'text',
        'not null' => FALSE)
      ),
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    'primary key' => array('filename'),
    'indexes' => array('weight' => array('weight')),
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    );
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  $schema['url_alias'] = array(
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    'description' => t('A list of URL aliases for Drupal paths; a user may visit either the source or destination path.'),
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    'fields' => array(
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      'pid' => array(
        'description' => t('A unique path alias identifier.'),
        'type' => 'serial',
        'unsigned' => TRUE,
        'not null' => TRUE),
      'src' => array(
        'description' => t('The Drupal path this alias is for; e.g. node/12.'),
        'type' => 'varchar',
        'length' => 128,
        'not null' => TRUE,
        'default' => ''),
      'dst' => array(
        'description' => t('The alias for this path; e.g. title-of-the-story.'),
        'type' => 'varchar',
        'length' => 128,
        'not null' => TRUE,
        'default' => ''),
      'language' => array(
        'description' => t('The language this alias is for; if blank, the alias will be used for unknown languages.  Each Drupal path can have an alias for each supported language.'),
        'type' => 'varchar',
        'length' => 12,
        'not null' => TRUE,
        'default' => '')
      ),
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    'unique keys' => array('dst_language' => array('dst', 'language')),
    'primary key' => array('pid'),
    'indexes' => array('src' => array('src')),
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    );
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  return $schema;
}


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// Updates for core
Dries's avatar
   
Dries committed
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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;
}

1263
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";
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      db_query("UPDATE {url_alias} SET src = '%s' WHERE pid = %d", $new, $alias->pid);
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    }
  }

  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)) {
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    $ret[] = update_sql("UPDATE {vocabulary} SET module = 'forum' WHERE vid = ". $vid);
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  }

  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;
}

1385
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;
}

1404
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;
}

1417
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;
}

1430
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;
}

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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;
}

1453
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} (
        word varchar(50) NOT NULL default '',
             count float default NULL)");
      $ret[] = update_sql('CREATE INDEX {search_total}_word_idx ON {search_total}(word)');

      /**
       * Wipe the search index
       */
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      include_once './'. drupal_get_path('module', 'search') .'/search.module';
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      search_wipe();
    }
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    variable_del('update_132_done');
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  }

  return $ret;
}

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function system_update_133() {
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  $ret = array();

  if ($GLOBALS['db_type'] == 'mysql') {
    $ret[] = update_sql("CREATE TABLE {contact} (
      subject varchar(255) NOT NULL default '',
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      recipients longtext NOT NULL,
      reply longtext NOT NULL
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      )");
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    $ret[] = update_sql("ALTER TABLE {users} ADD login int NOT NULL default '0'");
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  }
  elseif ($GLOBALS['db_type'] == 'pgsql') {
    // Table {contact} is changed in update_143() so I have moved it's creation there.
    // It was never created here for postgres because of errors.

    db_add_column($ret, 'users', 'login', 'int', array('default' => 0, 'not null' => TRUE));
  }

  return $ret;
}

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function system_update_134() {
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  $ret = array();
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  $ret[] = update_sql('ALTER TABLE {blocks} DROP types');
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  return $ret;
}

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function system_update_135() {
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  if (!variable_get('update_135_done', FALSE)) {