public function QueryAggregateInterface::existsAggregate
public QueryAggregateInterface::existsAggregate($field, $function, $langcode = NULL)
Queries for the existence of a field.
Parameters
string $field: The name of the field.
string $function: The aggregate function.
$langcode: (optional) The language code.
Return value
\Drupal\Core\Entity\Query\QueryAggregateInterface The called object.
File
- core/lib/Drupal/Core/Entity/Query/QueryAggregateInterface.php, line 83
Class
- QueryAggregateInterface
- Defines a interface for aggregated entity queries.
Namespace
Drupal\Core\Entity\QueryCode
public function existsAggregate($field, $function, $langcode = NULL);
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https://api.drupal.org/api/drupal/core!lib!Drupal!Core!Entity!Query!QueryAggregateInterface.php/function/QueryAggregateInterface::existsAggregate/8.1.x