Documentation & API reference
public function QueryAggregateInterface::existsAggregate
Queries for the existence of a field.
Parameters
string $field: The name of the field.
string $function: The aggregate function.
$langcode: (optional) The language code.
Return value
\Drupal\Core\Entity\Query\QueryAggregateInterface The called object.
1 method overrides QueryAggregateInterface::existsAggregate()
- QueryAggregate::existsAggregate in drupal/
core/ modules/ field_sql_storage/ lib/ Drupal/ field_sql_storage/ Entity/ QueryAggregate.php - Overrides \Drupal\Core\Entity\QueryBase::exists().
File
- drupal/
core/ lib/ Drupal/ Core/ Entity/ Query/ QueryAggregateInterface.php, line 90 - Contains \Drupal\Core\Entity\Query\QueryAggregateInterface.
Class
- QueryAggregateInterface
- Defines a interface for aggregated entity queries.
Namespace
Drupal\Core\Entity\QueryCode
public function existsAggregate($field, $function, $langcode = NULL);