public function DeleteQuery::isNull
7.x query.inc | public DeleteQuery::isNull($field) |
Implements QueryConditionInterface::isNull().
Overrides QueryConditionInterface::isNull
File
- drupal-7.x/
includes/ database/ query.inc, line 780 - Non-specific Database query code. Used by all engines.
Class
- DeleteQuery
- General class for an abstracted DELETE operation.
Code
public function isNull($field) {
$this->condition->isNull($field);
return $this;
}