public function Condition::exists in Drupal 10
Same name in this branch
- 10 core/lib/Drupal/Core/Database/Query/Condition.php \Drupal\Core\Database\Query\Condition::exists()
- 10 core/lib/Drupal/Core/Config/Entity/Query/Condition.php \Drupal\Core\Config\Entity\Query\Condition::exists()
- 10 core/lib/Drupal/Core/Entity/Query/Sql/Condition.php \Drupal\Core\Entity\Query\Sql\Condition::exists()
- 10 core/lib/Drupal/Core/Entity/Query/Null/Condition.php \Drupal\Core\Entity\Query\Null\Condition::exists()
Same name and namespace in other branches
- 8 core/lib/Drupal/Core/Entity/Query/Sql/Condition.php \Drupal\Core\Entity\Query\Sql\Condition::exists()
- 9 core/lib/Drupal/Core/Entity/Query/Sql/Condition.php \Drupal\Core\Entity\Query\Sql\Condition::exists()
Queries for the existence of a field.
Parameters
string $field: The field to query for existence.
string $langcode: (optional) For which language the entity should be prepared, defaults to the current content language.
Return value
$this
Overrides ConditionInterface::exists
See also
\Drupal\Core\Entity\Query\QueryInterface::exists()
File
- core/
lib/ Drupal/ Core/ Entity/ Query/ Sql/ Condition.php, line 79
Class
- Condition
- Implements entity query conditions for SQL databases.
Namespace
Drupal\Core\Entity\Query\SqlCode
public function exists($field, $langcode = NULL) {
return $this
->condition($field, NULL, 'IS NOT NULL', $langcode);
}