0]'::timerange;
</pre><p>
   See <a class="xref" href="sql-createtype.html" title="CREATE TYPE"><span class="refentrytitle">CREATE TYPE</span></a> for more information about creating
   range types.
  </p></div><div class="sect2" id="RANGETYPES-INDEXING"><div class="titlepage"><div><div><h3 class="title">8.17.9. Indexing <a href="#RANGETYPES-INDEXING" class="id_link">#</a></h3></div></div></div><a id="id-1.5.7.25.15.2" class="indexterm"></a><p>
   GiST and SP-GiST indexes can be created for table columns o