You can't groupby a relationship.
Overrides HandlerBase::usesGroupBy
File
- drupal/core/modules/views/lib/Drupal/views/Plugin/views/relationship/RelationshipPluginBase.php, line 161
- Definition of Drupal\views\Plugin\views\relationship\RelationshipPluginBase.
Class
- RelationshipPluginBase
- Simple relationship handler that allows a new version of the primary table
to be linked in.
Namespace
Drupal\views\Plugin\views\relationship
Code
public function usesGroupBy() {
return FALSE;
}