public function generateChdb() {
        $this->extracted_at = new \DateTime();

        $this->log("Writing chdb file...");
        $this->log("File: " . $this->chdb_path);

        $success = chdb_create($this->chdb_path, $this->cache);

        if (!$success) {
            fprintf(STDERR, "Failed to create chdb file $this->chdb_path\n");
            return;
        }
    }