docs: static String getValue(final TSDB tsdb, final byte[] row,
                           final String name) throws NoSuchUniqueName {
      validateString("tag name", name);
      final byte[] id = tsdb.tag_names.getId(name);
      final byte[] value_id = getValueId(tsdb, row, id);
      if (value_id == null) {
        return null;
      }
      // This shouldn't throw a NoSuchUniqueId.
      try {
        return tsdb.tag_values.getName(value_id);
      } catch (NoSuchUniqueId e) {
        LOG.error("Internal error, NoSuchUniqueId unexpected here!", e);
        throw e;
      }
    }