Does the display have groupby enabled?
File
- drupal/core/modules/views/lib/Drupal/views/Plugin/views/display/DisplayPluginBase.php, line 316
- Contains Drupal\views\Plugin\views\display\DisplayPluginBase.
Class
- DisplayPluginBase
- The default display plugin handler. Display plugins handle options and
basic mechanisms for different output methods.
Namespace
Drupal\views\Plugin\views\display
Code
public function useGroupBy() {
return $this
->getOption('group_by');
}