text: -- $Id$
  -- Description: remove column DESCRIPTION from SYS_JMX_INSTANCE table
  
  do $$
  begin
      if not exists(select SCRIPT_NAME from SYS_DB_CHANGELOG where SCRIPT_NAME like '%131001-removeJmxInstanceDescription.sql') then
          alter table SYS_JMX_INSTANCE drop column DESCRIPTION;
          alter table SYS_JMX_INSTANCE rename column CLUSTER_NODE_NAME to NODE_NAME;
      end if;
  end $$;