presto-accumulo/src/main/java/io/prestosql/plugin/accumulo/model/RowSchema.java/RowSchema/addRowId
class RowSchema:    public RowSchema addRowId(String name, Type type)
    {
        columns.add(new AccumuloColumnHandle(name, Optional.empty(), Optional.empty(), type, columns.size(), "Accumulo row ID", false));
        return this;
    }