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public function ConditionInterface::isNull in Zircon Profile 8

Same name and namespace in other branches
  1. 8.0 core/lib/Drupal/Core/Database/Query/ConditionInterface.php \Drupal\Core\Database\Query\ConditionInterface::isNull()

Sets a condition that the specified field be NULL.

Parameters

$field: The name of the field to check.

Return value

\Drupal\Core\Database\Query\ConditionInterface The called object.

2 methods override ConditionInterface::isNull()
Condition::isNull in core/lib/Drupal/Core/Database/Query/Condition.php
Sets a condition that the specified field be NULL.
SelectExtender::isNull in core/lib/Drupal/Core/Database/Query/SelectExtender.php
Sets a condition that the specified field be NULL.

File

core/lib/Drupal/Core/Database/Query/ConditionInterface.php, line 82
Contains \Drupal\Core\Database\Query\ConditionInterface.

Class

ConditionInterface
Interface for a conditional clause in a query.

Namespace

Drupal\Core\Database\Query

Code

public function isNull($field);