Camspiers\StatisticalClassifier\DataSource\PDOQuery::read PHP Method

    public function read()
    {
        $query = $this->pdo->query($this->query);
        $query->setFetchMode(PDO::FETCH_ASSOC);
        $documents = array();
        while ($row = $query->fetch()) {
            $documents[] = array('category' => $this->category, 'document' => $row[$this->documentColumn]);
        }
        return $documents;
    }