 external" href="postgres_types.html">postgres_types</a>
  </dl>
</div>
<div class="section" id="12">
  <h1><a class="toc-backref" href="#12">Procs</a></h1>
  <dl class="item">
    <div id="avg-procs-all">
  <div id="avg,PostgresQuery,string">
  <dt><pre><span class="Keyword">proc</span> <a href="#avg%2CPostgresQuery%2Cstring"><span class="Identifier">avg</span></a><span class="Other">(</span><span class="Identifier">self</span><span class="Other">:</span> <a href="postgres_types.html#PostgresQuery"><span c