@Override
  public void onDeleteTableColumnStat(DeleteTableColumnStatEvent deleteTableColumnStatEvent) throws MetaException {
    DeleteTableColumnStatMessage msg = MessageBuilder.getInstance()
            .buildDeleteTableColumnStatMessage(deleteTableColumnStatEvent.getDBName(),
                    deleteTableColumnStatEvent.getColName());
    NotificationEvent event = new NotificationEvent(0, now(), EventType.DELETE_TABLE_COLUMN_STAT.toString(),
                    msgEncoder.getSerializer().serialize(msg));
    event.setCatName(deleteTableColumnStatEvent.getCatName());
    event.setDbName(deleteTableColumnStatEvent.getDBName());
    event.setTableName(deleteTableColumnStatEvent.getTableName());
    process(event, deleteTableColumnStatEvent);
  }
@param allocWriteIdEvent Alloc write id event
@throws MetaException
hcatalog/server-extensions/src/main/java/org/apache/hive/hcatalog/listener/DbNotificationListener.java