/**
* Fetch existing snippet by identifier
*
* @param string $identifier
* @return Garp_Db_Table_Row
*/
protected function _fetchExisting($identifier)
{
$this->_validateLoadable();
$snippetModel = new Model_Snippet();
$select = $snippetModel->select()->where('identifier = ?', $identifier);
$row = $snippetModel->fetchRow($select);
return $row;
}
