/**
* @return int|mixed
*/
public function key()
{
if (null !== $this->keyDataMapper) {
$mapper = $this->keyDataMapper;
return $mapper($this->currentFetchedRow);
} else {
return parent::key();
}
}
/**
* @param array $fields
* @return ValuesQuerySet
*/
public function values(array $fields = null)
{
$qs = new ValuesQuerySet($this->metadata, $this->qb, $this->db, $fields);
if ($this->joinMaxDepth) {
$qs->_setJoinDepth($this->joinMaxDepth);
} elseif (!empty($this->relatedSelectFields)) {
$qs->_addRelatedSelectFields($this->relatedSelectFields);
}
return $qs;
}
