Queries for an empty field.

Parameters

string $field: Name of a field.

string|null $langcode: (optional) The language code allows filtering results by specific language. If omitted (NULL), any translation satisfies the condition.

Return value

$this

1 method overrides QueryInterface::notExists()

QueryBase::notExists in core/lib/Drupal/Core/Entity/Query/QueryBase.php

Queries for an empty field.

File

core/lib/Drupal/Core/Entity/Query/QueryInterface.php, line 141

Class

QueryInterface

Interface for entity queries.

Namespace

Drupal\Core\Entity\Query

Code

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

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