<!--
  The changesets feature type is a read only log of operations
  performed on the db. Let's have a look.
  In the next request, we'll have a look at the changelogs with a WMS
  request, that will depict the bbox affected by each change
  -->
<wfs:GetFeature service="WFSV" version="1.1.0"
  outputFormat="GML2"
  xmlns:topp="http://www.openplans.org/topp"
  xmlns:wfs="http://www.opengis.net/wfs"
  xmlns:ogc="http://www.opengis.net/ogc"
  xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
  xsi:schemaLocation="http://www.opengis.net/wfs
                      http://schemas.opengis.net/wfs/1.1.0/wfs.xsd">
  <wfs:Query typeName="topp:changesets">
    <ogc:PropertyName>date</ogc:PropertyName>
    <ogc:PropertyName>message</ogc:PropertyName>
  </wfs:Query>
</wfs:GetFeature>