ConditionAggregate::notExists

public ConditionAggregate::notExists($field, $function, $langcode = NULL)

Queries for the nonexistence of a field.

Parameters

string $field:

Return value

ConditionInterface;

Overrides ConditionAggregateInterface::notExists

See also

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

File

core/lib/Drupal/Core/Entity/Query/Sql/ConditionAggregate.php, line 57

Class

ConditionAggregate

Defines the aggregate condition for sql based storage.

Namespace

Drupal\Core\Entity\Query\Sql

Code

public function notExists($field, $function, $langcode = NULL) {
  return $this->condition($field, $function, NULL, 'IS NULL', $langcode);
}