public function QueryBase::groupBy

public QueryBase::groupBy($field, $langcode = NULL)

Specifies the field to group on.

Parameters

string $field: The name of the field to group by.

Return value

\Drupal\Core\Entity\Query\QueryAggregateInterface The called object.

Overrides QueryAggregateInterface::groupBy

File

core/lib/Drupal/Core/Entity/Query/QueryBase.php, line 424

Class

QueryBase

The base entity query class.

Namespace

Drupal\Core\Entity\Query

Code

public function groupBy($field, $langcode = NULL) {
  $this->groupBy[] = array(
    'field' => $field,
    'langcode' => $langcode,
  );

  return $this;
}