SelectExtender::exists
public function SelectExtender::exists
public SelectExtender::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/SelectExtender.php, line 459
Class
- SelectExtender
- The base extender class for Select queries.
Namespace
Drupal\Core\Database\QueryCode
public function exists(SelectInterface $select) { $this->query->exists($select); return $this; }
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https://api.drupal.org/api/drupal/core!lib!Drupal!Core!Database!Query!SelectExtender.php/function/SelectExtender::exists/8.1.x