public function ConditionAggregateInterface::exists in Drupal 9

Same name and namespace in other branches

1. 8 core/lib/Drupal/Core/Entity/Query/ConditionAggregateInterface.php \Drupal\Core\Entity\Query\ConditionAggregateInterface::exists()

Queries for the existence of a field.

Parameters

string $field:

string $function:

string $langcode:

Return value

\Drupal\Core\Entity\Query\ConditionInterface

See also

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

1 method overrides ConditionAggregateInterface::exists()

ConditionAggregate::exists in core/lib/Drupal/Core/Entity/Query/Sql/ConditionAggregate.php

Queries for the existence of a field.

File

core/lib/Drupal/Core/Entity/Query/ConditionAggregateInterface.php, line 45

Class

ConditionAggregateInterface

Defines aggregated entity query conditions.

Namespace

Drupal\Core\Entity\Query

Code

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