public function UpdateQuery::isNull

Implements QueryConditionInterface::isNull().

Overrides QueryConditionInterface::isNull

Archivo

drupal-7.x/includes/database/query.inc, line 1038
Non-specific Database query code. Used by all engines.

Class

UpdateQuery
General class for an abstracted UPDATE operation.

Código

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