Queries for an empty field.

Parameters

$field: Name of a field.

$langcode: Language code (optional).

Return value

$this

Overrides QueryInterface::notExists

File

core/lib/Drupal/Core/Entity/Query/QueryBase.php, line 183

Class

QueryBase

The base entity query class.

Namespace

Drupal\Core\Entity\Query

Code

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

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