Example #1
0
 /**
  * Implements Drupal\Core\Database\Query\ConditionInterface::isNull().
  */
 public function isNull($field)
 {
     $this->condition->isNull($field);
     return $this;
 }
 /**
  * Sets a condition in the HAVING clause that the specified field be NULL.
  *
  * @param $field
  *   The name of the field to check.
  *
  * @return $this
  */
 public function havingIsNull($field)
 {
     $this->having->isNull($field);
     return $this;
 }