al-link">print</a></span><span class="op">(</span><span class="fu">DBI</span><span class="fu">::</span><span class="fu"><a href="https://dbi.r-dbi.org/reference/dbGetQuery.html" class="external-link">dbGetQuery</a></span><span class="op">(</span><span class="va">my_db</span>, <span class="va">sql</span><span class="op">)</span><span class="op">)</span></span></span>
<span class="r-in"><span></span></span>
<span class="r-in"><span>  <span class="va">op_tree2</span> <span class="op">&lt;-</span> <span class="