public function Condition::notExists

public Condition::notExists($field, $langcode = NULL)

Queries for the existence of a field.

Parameters

string $field:

Return value

ConditionInterface;

Overrides ConditionInterface::notExists

See also

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

File

core/lib/Drupal/Core/Entity/Query/Null/Condition.php, line 28

Class

Condition
Defines the condition class for the null entity query.

Namespace

Drupal\Core\Entity\Query\Null

Code

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

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https://api.drupal.org/api/drupal/core!lib!Drupal!Core!Entity!Query!Null!Condition.php/function/Condition::notExists/8.1.x