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);

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