havingNotExists example

  public function havingExists(SelectInterface $select) {
    $this->query->havingExists($select);
    return $this;
  }

  /** * {@inheritdoc} */
  public function havingNotExists(SelectInterface $select) {
    $this->query->havingNotExists($select);
    return $this;
  }

  /** * {@inheritdoc} */
  public function extend($extender_name) {
    // We cannot call $this->query->extend(), because with multiple extenders     // you will replace all the earlier extenders with the last extender,     // instead of creating list of objects that extend each other.     $parts = explode('\\', $extender_name);