function views_plugin_query_default::execute

Executes the query and fills the associated view object with according values.

Values to set: $view->result, $view->total_rows, $view->execute_time, $view->current_page.

Overrides views_plugin_query::execute

File

core/modules/views/plugins/views_plugin_query_default.inc, line 1430

Defines the default query object.

Class

views_plugin_query_default

Object used to create a SELECT query.

Code

function execute(&$view) {
  $external = FALSE; // Whether this query will run against an external database.
  $query = $view->build_info['query'];
  $count_query = $view->build_info['count_query'];

  $query->addMetaData('view', $view);
  $count_query->addMetaData('view', $view);

  if (empty($this->options['disable_sql_rewrite'])) {
    $base_table_data = views_fetch_data($this->base_table);
    if (isset($base_table_data['table']['base']['access query tag'])) {
      $access_tag = $base_table_data['table']['base']['access query tag'];
      $query->addTag($access_tag);
      $count_query->addTag($access_tag);
    }
  }

  $items = array();
  if ($query) {
    $additional_arguments = module_invoke_all('views_query_substitutions', $view);

    // Count queries must be run through the preExecute() method.
    // If not, then hook_query_node_access_alter() may munge the count by
    // adding a distinct against an empty query string
    // (e.g. COUNT DISTINCT(1) ...) and no pager will return.
    // See pager.inc > PagerDefault::execute()
    // http://api.drupal.org/api/drupal/includes--pager.inc/function/PagerDefault::execute/7
    // See http://drupal.org/node/1046170.
    $count_query->preExecute();

    // Build the count query.
    $count_query = $count_query->countQuery();

    // Add additional arguments as a fake condition.
    // XXX: this doesn't work... because PDO mandates that all bound arguments
    // are used on the query. TODO: Find a better way to do this.
    if (!empty($additional_arguments)) {
      // $query->where('1 = 1', $additional_arguments);
      // $count_query->where('1 = 1', $additional_arguments);
    }

    $start = microtime(TRUE);


    try {
      if ($this->pager->use_count_query() || !empty($view->get_total_rows)) {
        $this->pager->execute_count_query($count_query);
      }

      $this->pager->pre_execute($query);

      $result = $query->execute();

      $view->result = array();
      foreach ($result as $item) {
        $view->result[] = $item;
      }

      $this->pager->post_execute($view->result);

      if ($this->pager->use_count_query() || !empty($view->get_total_rows)) {
        $view->total_rows = $this->pager->get_total_items();
      }
    }
    catch (Exception $e) {
      $view->result = array();
      if (!empty($view->live_preview)) {
        backdrop_set_message($e->getMessage(), 'error');
      }
      else {
        watchdog('views', 'Exception in @human_name[@view_name]: @message', array('@human_name' => $view->human_name, '@view_name' => $view->name, '@message' => $e->getMessage()));
      }
    }

  }
  else {
    $start = microtime(TRUE);
  }
  $view->execute_time = microtime(TRUE) - $start;
}