public SelectExtender::havingIsNull($field)
Sets a condition in the HAVING clause that the specified field be NULL.
Parameters
$field: The name of the field to check.
Return value
$this
Overrides SelectInterface::havingIsNull
File
- core/lib/Drupal/Core/Database/Query/SelectExtender.php, line 184
Class
- SelectExtender
- The base extender class for Select queries.
Namespace
Drupal\Core\Database\Query
Code
public function havingIsNull($field) { $this->query->havingIsNull($field); return $this; }
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