SelectExtender::isNull

SelectExtender::isNull($field)

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.

Overrides ConditionInterface::isNull

File

core/lib/Drupal/Core/Database/Query/SelectExtender.php, line 443

Class

SelectExtender
The base extender class for Select queries.

Namespace

Drupal\Core\Database\Query

Code

function isNull($field) {
  $this->query->isNull($field);
  return $this;
}
doc_Drupal
2016-10-29 09:41:35
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