ourceCode"><pre class="sourceCode r"><code><span><span class="fu">rquery_prepare</span><span class="op">(</span></span>
<span>  <span class="va">db</span>,</span>
<span>  <span class="va">rqplan</span>,</span>
<span>  <span class="va">data_source</span>,</span>
<span>  <span class="va">result_table_name</span>,</span>
<span>  <span class="va">...</span>,</span>
<span>  extracols <span class="op">=</span> <span class="cn">NULL</span>,</span>
<span>  temporary <span class="op">=</span> <span class="cn">FALSE<