public QueryAggregateInterface::groupBy($field)
Specifies the field to group on.
Parameters
string $field: The name of the field to group by.
Return value
\Drupal\Core\Entity\Query\QueryAggregateInterface The called object.
File
- core/lib/Drupal/Core/Entity/Query/QueryAggregateInterface.php, line 40
Class
- QueryAggregateInterface
- Defines a interface for aggregated entity queries.
Namespace
Drupal\Core\Entity\Query
Code
public function groupBy($field);
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