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public function ConditionInterface::exists

public ConditionInterface::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.

File

core/lib/Drupal/Core/Database/Query/ConditionInterface.php, line 99

Class

ConditionInterface
Interface for a conditional clause in a query.

Namespace

Drupal\Core\Database\Query

Code

public function exists(SelectInterface $select);

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https://api.drupal.org/api/drupal/core!lib!Drupal!Core!Database!Query!ConditionInterface.php/function/ConditionInterface::exists/8.1.x