<changelog xmlns="http://www.codesynthesis.com/xmlns/odb/changelog" database="pgsql" version="1">
  <model version="2">
    <table name="object">
      <column name="id" type="INTEGER" null="false"/>
      <column name="num" type="INTEGER" null="true"/>
      <primary-key auto="true">
        <column name="id"/>
      </primary-key>
    </table>
  </model>
</changelog>