public function ConditionInterface::isNull in Zircon Profile 8.0
Same name and namespace in other branches
- 8 core/lib/Drupal/Core/Database/Query/ConditionInterface.php \Drupal\Core\Database\Query\ConditionInterface::isNull()
Sets a condition that the specified field be NULL.
Parameters
$field: The name of the field to check.
Return value
\Drupal\Core\Database\Query\ConditionInterface The called object.
2 methods override ConditionInterface::isNull()
- Condition::isNull in core/
lib/ Drupal/ Core/ Database/ Query/ Condition.php - Sets a condition that the specified field be NULL.
- SelectExtender::isNull in core/
lib/ Drupal/ Core/ Database/ Query/ SelectExtender.php - Sets a condition that the specified field be NULL.
File
- core/
lib/ Drupal/ Core/ Database/ Query/ ConditionInterface.php, line 82 - Contains \Drupal\Core\Database\Query\ConditionInterface.
Class
- ConditionInterface
- Interface for a conditional clause in a query.
Namespace
Drupal\Core\Database\QueryCode
public function isNull($field);