public function delete()
{
try {
$this->db->delete($this->tableName, $this->primaryKeyName . " = " . $this->db->quote($this->primaryKeyValue));
$this->primaryKeyValue = null;
} catch (Zend_Db_Exception $e) {
$this->errors[] = $this->localizer->translate("Database Error: %1\$s", $e->getMessage());
return false;
}
return "delete";
}