final public function findColumnByPk($id, $column)
    {
        $this->validateShortcutData();
        return $this->fetchOneColumn($column, $this->getPk(), $id);
    }
final public function findColumnByPk($id, $column)
    {
        $this->validateShortcutData();
        return $this->fetchOneColumn($column, $this->getPk(), $id);
    }
final public function findColumnByPk ( $ id , $ column ) { $ this -> validateShortcutData ( ) ; return $ this -> fetchOneColumn ( $ column , $ this -> getPk ( ) , $ id ) ; }
Returns column's value by provided PK

@param string $id PK's value
@param string $column
@return boolean
Returns column s value by provided PK