public function Condition::exists

public Condition::exists(SelectInterface $select)

Sets a condition that the specified subquery returns values.

Parameters

\Drupal\Core\Database\Query\SelectInterface $select: The subquery that must contain results.

Return value

\Drupal\Core\Database\Query\ConditionInterface The called object.

Overrides ConditionInterface::exists

File

core/lib/Drupal/Core/Database/Query/Condition.php, line 116

Class

Condition

Generic class for a series of conditions in a query.

Namespace

Drupal\Core\Database\Query

Code

public function exists(SelectInterface $select) {
  return $this->condition('', $select, 'EXISTS');
}