public function DeleteQuery::isNull

1 query.inc public DeleteQuery::isNull($field)

Return value

DeleteQuery:

Overrides QueryConditionInterface::isNull

File

core/includes/database/query.inc, line 803: Non-specific Database query code. Used by all engines.

Class

DeleteQuery: General class for an abstracted DELETE operation.

Code

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