public function Condition::notExists in Drupal 8

Same name in this branch

1. 8 core/lib/Drupal/Core/Database/Query/Condition.php \Drupal\Core\Database\Query\Condition::notExists()
2. 8 core/lib/Drupal/Core/Config/Entity/Query/Condition.php \Drupal\Core\Config\Entity\Query\Condition::notExists()
3. 8 core/lib/Drupal/Core/Entity/Query/Sql/Condition.php \Drupal\Core\Entity\Query\Sql\Condition::notExists()
4. 8 core/lib/Drupal/Core/Entity/Query/Null/Condition.php \Drupal\Core\Entity\Query\Null\Condition::notExists()

Same name and namespace in other branches

1. 9 core/lib/Drupal/Core/Database/Query/Condition.php \Drupal\Core\Database\Query\Condition::notExists()

Sets a condition that the specified subquery returns no values.

Parameters

\Drupal\Core\Database\Query\SelectInterface $select: The subquery that must not contain results.

Return value

$this The called object.

Overrides ConditionInterface::notExists

File

core/lib/Drupal/Core/Database/Query/Condition.php, line 157

Class

Condition

Generic class for a series of conditions in a query.

Namespace

Drupal\Core\Database\Query

Code

public function notExists(SelectInterface $select) {
  return $this
    ->condition('', $select, 'NOT EXISTS');
}