/**
* Returns referencing rows.
* @param string
* @param string
* @return NGroupedTableSelection
*/
public function related($key, $throughColumn = NULL)
{
if (strpos($key, '.') !== FALSE) {
list($key, $throughColumn) = explode('.', $key);
} elseif (!$throughColumn) {
list($key, $throughColumn) = $this->table->getConnection()->getDatabaseReflection()->getHasManyReference($this->table->getName(), $key);
}
return $this->table->getReferencingTable($key, $throughColumn, $this[$this->table->getPrimary()]);
}
