public function pluck($column, $key = null)
{
$results = $this->get(is_null($key) ? [$column] : [$column, $key]);
// If the columns are qualified with a table or have an alias, we cannot use
// those directly in the "pluck" operations since the results from the DB
// are only keyed by the column itself. We'll strip the table out here.
return $results->pluck($this->stripTableForPluck($column), $this->stripTableForPluck($key));
}