Queries for the nonexistence of a field.

Parameters

string $field: The field to query for nonexistence.

string $langcode: (optional) For which language the entity should be prepared, defaults to the current content language.

Return value

$this

Overrides ConditionInterface::notExists

File

core/lib/Drupal/Core/Config/Entity/Query/Condition.php, line 95

Class

Condition

Defines the condition class for the config entity query.

Namespace

Drupal\Core\Config\Entity\Query

Code

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

---