/**
* Fetch and return the first column of all rows of the result set as an array
*
* @return array
*/
public function fetchColumn()
{
if (!$this->hasOrder()) {
$this->order();
}
$results = $this->query->fetchColumn();
if (!empty($results) && $this->repository->providesValueConversion($this->target)) {
$columns = $this->getColumns();
$aliases = array_keys($columns);
$column = is_int($aliases[0]) ? $columns[0] : $aliases[0];
if ($this->repository->providesValueConversion($this->target, $column)) {
foreach ($results as &$value) {
$value = $this->repository->retrieveColumn($this->target, $column, $value, $this);
}
}
}
return $results;
}
