MySQL::unlink(): bool

368    public function unlink()369    {370        if ($this->mysql === null) {371            return false;372        }373 374        $query = $this->mysql->prepare('DELETE FROM `' . $this->options['extras']['prefix'] . 'cache_data` WHERE `id` = :id');375        $query->bindValue(':id', $this->id);376        $query2 = $this->mysql->prepare('DELETE FROM `' . $this->options['extras']['prefix'] . 'items` WHERE `feed_id` = :id');377        $query2->bindValue(':id', $this->id);378 379        return $query->execute() && $query2->execute();380    }