public function ConditionInterface::exists in Drupal 8

Same name in this branch

1. 8 core/lib/Drupal/Core/Entity/Query/ConditionInterface.php \Drupal\Core\Entity\Query\ConditionInterface::exists()
2. 8 core/lib/Drupal/Core/Database/Query/ConditionInterface.php \Drupal\Core\Database\Query\ConditionInterface::exists()

Same name and namespace in other branches

1. 9 core/lib/Drupal/Core/Database/Query/ConditionInterface.php \Drupal\Core\Database\Query\ConditionInterface::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

$this The called object.

2 methods override ConditionInterface::exists()

Condition::exists in core/lib/Drupal/Core/Database/Query/Condition.php

Sets a condition that the specified subquery returns values.

SelectExtender::exists in core/lib/Drupal/Core/Database/Query/SelectExtender.php

Sets a condition that the specified subquery returns values.

File

core/lib/Drupal/Core/Database/Query/ConditionInterface.php, line 122

Class

ConditionInterface

Interface for a conditional clause in a query.

Namespace

Drupal\Core\Database\Query

Code

public function exists(SelectInterface $select);