@Override
  public DataConnector get_dataconnector_core(final String name) throws NoSuchObjectException, MetaException {
    DataConnector connector = null;
    if (name == null) {
      throw new MetaException("Data connector name cannot be null.");
    }
    try {
      connector = getMS().getDataConnector(name);
    } catch (Exception e) {
      throw handleException(e).throwIfInstance(MetaException.class, NoSuchObjectException.class)
          .defaultRuntimeException();
    }
    return connector;
  }
Checks whether the repl.last.id is being updated.
@param oldDb the old db object
@param newDb the new db object
@return true if repl.last.id is being changed.
standalone-metastore/metastore-server/src/main/java/org/apache/hadoop/hive/metastore/HMSHandler.java