function SelectExtender::isNull

Same name in other branches
  1. 9 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 447

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;
}

Buggy or inaccurate documentation? Please file an issue. Need support? Need help programming? Connect with the Drupal community.