ass="va">colname</span>,</span>
<span>  <span class="va">idxname</span>,</span>
<span>  unique <span class="op">=</span> <span class="cn">FALSE</span>,</span>
<span>  method <span class="op">=</span> <span class="fu"><a href="https://rdrr.io/r/base/c.html" class="external-link">c</a></span><span class="op">(</span><span class="st">"btree"</span>, <span class="st">"hash"</span>, <span class="st">"rtree"</span>, <span class="st">"gist"</span><span class="op">)</span>,</span>
<span>  display <span class="op">=