Execute the view's query.

Parameters

string $display_id: The machine name of the display, which should be executed.

Return value

bool Return whether the executing was successful, for example an argument could stop the process.

1 call to view::execute()

view::render in includes/view.inc

Render this view for a certain display.

File

includes/view.inc, line 1184

Class

view

An object to contain all of the data to generate a view.

Code

public function execute($display_id = NULL) {
  if (empty($this->built)) {
    if (!$this->build($display_id)) {
      return FALSE;
    }
  }
  if (!empty($this->executed)) {
    return TRUE;
  }
  // Don't allow to use deactivated displays, but display them on the live
  // preview.
  if (!$this->display[$this->current_display]->handler
    ->get_option('enabled') && empty($this->live_preview)) {
    $this->build_info['fail'] = TRUE;
    return FALSE;
  }
  // Let modules modify the view just prior to executing it.
  foreach (module_implements('views_pre_execute') as $module) {
    $function = $module . '_views_pre_execute';
    $function($this);
  }
  // Check for already-cached results.
  if (!empty($this->live_preview)) {
    $cache = FALSE;
  }
  elseif (views_view_has_form_elements($this) && isset($_POST['form_id']) && $_POST['form_id'] == views_form_id($this)) {
    $cache = FALSE;
  }
  else {
    $cache = $this->display_handler
      ->get_plugin('cache');
  }
  if ($cache && $cache->cache_get('results')) {
    if ($this->query->pager
      ->use_pager() || !empty($this->get_total_rows)) {
      $this->query->pager->total_items = $this->total_rows;
      $this->query->pager
        ->update_page_info();
    }
    vpr('Used cached results');
  }
  else {
    $this->query
      ->execute($this);
    // Enforce the array key rule as documented in
    // views_plugin_query::execute().
    $this->result = array_values($this->result);
    $this->_post_execute();
    if ($cache) {
      $cache->cache_set('results');
    }
  }
  // Let modules modify the view just after executing it.
  foreach (module_implements('views_post_execute') as $module) {
    $function = $module . '_views_post_execute';
    $function($this);
  }
  $this->executed = TRUE;
}