<comps>        
  <group>
   <id>postgresqldbserver12</id>
   <default>false</default>
   <uservisible>true</uservisible>
   <display_order>1024</display_order>
   <name>PostgreSQL Database Server 12 PGDG</name>
   <description></description>
    <packagelist>
      <packagereq type="mandatory">postgresql12</packagereq>
      <packagereq type="mandatory">postgresql12-contrib</packagereq>
      <packagereq type="mandatory">postgresql12-libs</packagereq>
      <packagereq type="mandatory">postgresql12-server</packagereq>
    </packagelist>
  </group>
</comps>