function Condition::isNull

Overrides ConditionInterface::isNull

File

core/lib/Drupal/Core/Database/Query/Condition.php, line 147

Class

Condition

Generic class for a series of conditions in a query.

Namespace

Drupal\Core\Database\Query

Code

public function isNull($field) {
    return $this->condition($field, NULL, 'IS NULL');
}