public function SelectExtender::havingIsNull in Drupal 9
Same name and namespace in other branches
- 8 core/lib/Drupal/Core/Database/Query/SelectExtender.php \Drupal\Core\Database\Query\SelectExtender::havingIsNull()
Sets a condition in the HAVING clause that the specified field be NULL.
Parameters
$field: The name of the field to check.
Return value
$this
Overrides SelectInterface::havingIsNull
File
- core/
lib/ Drupal/ Core/ Database/ Query/ SelectExtender.php, line 188
Class
- SelectExtender
- The base extender class for Select queries.
Namespace
Drupal\Core\Database\QueryCode
public function havingIsNull($field) {
$this->query
->havingIsNull($field);
return $this;
}