@Override
  public void onDeletePartitionColumnStat(DeletePartitionColumnStatEvent deletePartColStatEvent) throws MetaException {
    DeletePartitionColumnStatMessage msg = MessageBuilder.getInstance()
            .buildDeletePartitionColumnStatMessage(deletePartColStatEvent.getDBName(),
                    deletePartColStatEvent.getColName(), deletePartColStatEvent.getPartName(),
                    deletePartColStatEvent.getPartVals());
    NotificationEvent event = new NotificationEvent(0, now(), EventType.DELETE_PARTITION_COLUMN_STAT.toString(),
                    msgEncoder.getSerializer().serialize(msg));
    event.setCatName(deletePartColStatEvent.getCatName());
    event.setDbName(deletePartColStatEvent.getDBName());
    event.setTableName(deletePartColStatEvent.getTableName());
    process(event, deletePartColStatEvent);
  }
@param allocWriteIdEvent Alloc write id event
@throws MetaException
hcatalog/server-extensions/src/main/java/org/apache/hive/hcatalog/listener/DbNotificationListener.java