| 1.20.x query.inc | public DatabaseCondition::isNull($field) |
Implements QueryConditionInterface::isNull().
Overrides QueryConditionInterface::isNull
File
- includes/
database/ query.inc, line 1777 - Non-specific Database query code. Used by all engines.
Class
- DatabaseCondition
- Generic class for a series of conditions in a query.
Code
public function isNull($field) {
return $this->condition($field, NULL, 'IS NULL');
}