class="op">=</span> <span class="fu">duckdb</span><span class="fu">::</span><span class="fu"><a href="https://rdrr.io/pkg/duckdb/man/duckdb.html" class="external-link">duckdb</a></span><span class="op">(</span><span class="op">)</span>,</span>
<span>  dbdir <span class="op">=</span> <span class="fu"><a href="https://rdrr.io/r/base/tempfile.html" class="external-link">tempfile</a></span><span class="op">(</span>fileext <span class="op">=</span> <span class="st">".duckdb"</span><span class="op">)</span>,</spa