function QueryAggregateInterface::existsAggregate
Queries for the existence of a field.
Parameters
string $field: The name of the field.
string $function: The aggregate function.
$langcode: (optional) The language code.
Return value
$this The called object.
2 methods override QueryAggregateInterface::existsAggregate()
- Query::existsAggregate in core/
lib/ Drupal/ Core/ Entity/ Query/ Null/ Query.php - Queries for the existence of a field.
- QueryAggregate::existsAggregate in core/
lib/ Drupal/ Core/ Entity/ Query/ Sql/ QueryAggregate.php - Queries for the existence of a field.
File
-
core/
lib/ Drupal/ Core/ Entity/ Query/ QueryAggregateInterface.php, line 83
Class
- QueryAggregateInterface
- Defines an interface for aggregated entity queries.
Namespace
Drupal\Core\Entity\QueryCode
public function existsAggregate($field, $function, $langcode = NULL);