code: public Iterable<DConnection> queryByAppArg0(java.lang.String appArg0) {
      return queryByField(null, DConnectionMapper.Field.APPARG0.getFieldName(), appArg0);
    }
docs: query-by method for field appArg0
  @param appArg0 the specified attribute
  @return an Iterable of DConnections for the specified appArg0