Doctrine\DBAL\Query\QueryBuilder::getSQLForUpdate PHP Method

    private function getSQLForUpdate()
    {
        $table = $this->sqlParts['from']['table'] . ($this->sqlParts['from']['alias'] ? ' ' . $this->sqlParts['from']['alias'] : '');
        $query = 'UPDATE ' . $table . ' SET ' . implode(", ", $this->sqlParts['set']) . ($this->sqlParts['where'] !== null ? ' WHERE ' . (string) $this->sqlParts['where'] : '');
        return $query;
    }