public Condition::isNull($field)
Sets a condition that the specified field be NULL.
Parameters
$field: The name of the field to check.
Return value
\Drupal\Core\Database\Query\ConditionInterface The called object.
Overrides ConditionInterface::isNull
File
- core/lib/Drupal/Core/Database/Query/Condition.php, line 102
Class
- Condition
- Generic class for a series of conditions in a query.
Namespace
Drupal\Core\Database\Query
Code
1 2 3 | public function isNull($field) { return $this->condition($field, NULL, 'IS NULL');} |
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