QueryConditionTrait::exists

public QueryConditionTrait::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/QueryConditionTrait.php, line 50

Class

QueryConditionTrait

Provides an implementation of ConditionInterface.

Namespace

Drupal\Core\Database\Query

Code

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