code: private void addMVScalar() {
          Set<String> values = new HashSet<>(m_dbObj.getFieldValues(m_fieldName));
          String fieldValue = Utils.concatenate(values, CommonDefs.MV_SCALAR_SEP_CHAR);
          m_dbTran.addScalarValueColumn(m_tableDef, m_dbObj.getObjectID(), m_fieldName, fieldValue);
          addTermColumns(fieldValue);
      }
docs: Add new MV scalar field.