ConditionAggregateInterface::exists

public ConditionAggregateInterface::exists($field, $function, $langcode = NULL)

Queries for the existence of a field.

Parameters

$field:

string $langcode:

Return value

ConditionInterface

See also

\Drupal\Core\Entity\Query\QueryInterface::exists()

File

core/lib/Drupal/Core/Entity/Query/ConditionAggregateInterface.php, line 41

Class

ConditionAggregateInterface

Defines aggregated entity query conditions.

Namespace

Drupal\Core\Entity\Query

Code

public function exists($field, $function, $langcode = NULL);