presto-accumulo/src/main/java/io/prestosql/plugin/accumulo/model/RowSchema.java/RowSchema/fromColumns
class RowSchema:    public static RowSchema fromColumns(List<AccumuloColumnHandle> columns)
    {
        RowSchema schema = new RowSchema();
        for (AccumuloColumnHandle columnHandle : columns) {
            schema.addColumn(
                    columnHandle.getName(),
                    columnHandle.getFamily(),
                    columnHandle.getQualifier(),
                    columnHandle.getType(),
                    columnHandle.isIndexed());
        }
        return schema;
    }