function SelectExtender::isNull

Same name in other branches
  1. 8.9.x core/lib/Drupal/Core/Database/Query/SelectExtender.php \Drupal\Core\Database\Query\SelectExtender::isNull()
  2. 10 core/lib/Drupal/Core/Database/Query/SelectExtender.php \Drupal\Core\Database\Query\SelectExtender::isNull()
  3. 11.x core/lib/Drupal/Core/Database/Query/SelectExtender.php \Drupal\Core\Database\Query\SelectExtender::isNull()

Overrides ConditionInterface::isNull

File

core/lib/Drupal/Core/Database/Query/SelectExtender.php, line 448

Class

SelectExtender
The base extender class for Select queries.

Namespace

Drupal\Core\Database\Query

Code

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

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