def select(table, index_track, field_name, op, value, includeMissing):
    '''Modifies the table and index_track lists based on the comparison.
    '''
    result = []
    result_index = []
    counter = 0
    for row in table:
        if detect_fields(field_name, convert_to_dict(row)):
            final_value = get_value(row, field_name)
            if do_op(final_value, op, value):
                result.append(row)
                result_index.append(index_track[counter])
        else:
            if includeMissing:
                result.append(row)
                result_index.append(index_track[counter])
        counter += 1
    #table = result
    #index_track = result_index
    return (result, result_index)
Modifies the table and index_track lists based on the comparison.