public function DeleteQuery::isNull

Implements QueryConditionInterface::isNull().

Overrides QueryConditionInterface::isNull

Archivo

drupal-7.x/includes/database/query.inc, line 779

Non-specific Database query code. Used by all engines.

Class

DeleteQuery

General class for an abstracted DELETE operation.

Código

public function isNull($field) {
  $this->condition->isNull($field);
  return $this;
}