function QueryConditionTrait::isNull

File

core/lib/Drupal/Core/Database/Query/QueryConditionTrait.php, line 34

Class

QueryConditionTrait

Provides an implementation of ConditionInterface.

Namespace

Drupal\Core\Database\Query

Code

public function isNull($field) {
    $this->condition
        ->isNull($field);
    return $this;
}