public function SelectExtender::exists

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

drupal/core/lib/Drupal/Core/Database/Query/SelectExtender.php, line 284

Definition of Drupal\Core\Database\Query\SelectExtender

Class

SelectExtender

The base extender class for Select queries.

Namespace

Code

public function exists(SelectInterface $select) {
  $this->query
    ->exists($select);
  return $this;
}