function hook_views_pre_execute in Views (for Drupal 7) 8.3

Same name and namespace in other branches

1. 6.3 docs/docs.php \hook_views_pre_execute()
2. 6.2 docs/docs.php \hook_views_pre_execute()
3. 7.3 views.api.php \hook_views_pre_execute()

Act on the view after the query is built and just before it is executed.

Output can be added to the view by setting $view->attachment_before and $view->attachment_after.

Parameters

\Drupal\views\ViewExecutable $view: The view object about to be processed.

See also

\Drupal\views\ViewExecutable

Related topics

1 invocation of hook_views_pre_execute()

ViewExecutable::execute in lib/Drupal/views/ViewExecutable.php

Execute the view's query.

File

./views.api.php, line 425

Describes hooks and plugins provided by the Views module.

Code

function hook_views_pre_execute(ViewExecutable &$view) {

  // Whenever a view queries more than two tables, show a message that notifies
  // view administrators that the query might be heavy.
  // (This action could be performed later in the execution process, but not
  // earlier.)
  if (count($view->query->tables) > 2 && user_access('administer views')) {
    drupal_set_message(t('The view %view may be heavy to execute.', array(
      '%view' => $view->name,
    )), 'warning');
  }
}