public function Merge::isNull

Implements Drupal\Core\Database\Query\ConditionInterface::isNull().

Overrides ConditionInterface::isNull

File

drupal/core/lib/Drupal/Core/Database/Query/Merge.php, line 330
Definition of Drupal\Core\Database\Query\Merge

Class

Merge
General class for an abstracted MERGE query operation.

Namespace

Drupal\Core\Database\Query

Code

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