code: public List<EnhanceEntity> readFromIndexTable(EntityMetadata m, Client client,
              Map<Boolean, List<IndexClause>> indexClauseMap)
      {
          List<SearchResult> searchResults = new ArrayList<SearchResult>();
          List<Object> primaryKeys = new ArrayList<Object>();
  
          String columnFamilyName = m.getTableName() + Constants.INDEX_TABLE_SUFFIX;
          searchResults = ((CassandraClientBase) client).searchInInvertedIndex(columnFamilyName, m, indexClauseMap);
  
          Map<String, String> embeddedColumns = new HashMap<String, String>();
          for (SearchResult searchResult : searchResults)
          {
              if (searchResult.getEmbeddedColumnValues() != null)
              {
                  for (String embeddedColVal : searchResult.getEmbeddedColumnValues())
                  {
                      if (embeddedColVal != null)
                      {
                          StringBuilder strBuilder = new StringBuilder(embeddedColVal);
                          strBuilder.append("|");
                          strBuilder.append(searchResult.getPrimaryKey().toString());
                          embeddedColumns.put(strBuilder.toString(), searchResult.getPrimaryKey().toString());
                      }
                  }
              }
          }
          List<EnhanceEntity> enhanceEntityList = new ArrayList<EnhanceEntity>();
          if (embeddedColumns != null && !embeddedColumns.isEmpty())
          {
              enhanceEntityList = client.find(m.getEntityClazz(), embeddedColumns);
          }
          else
          {
              for (SearchResult searchResult : searchResults)
              {
                  primaryKeys.add(searchResult.getPrimaryKey());
              }
              enhanceEntityList = (List<EnhanceEntity>) ((CassandraClientBase) client).find(m.getEntityClazz(),
                      m.getRelationNames(), true, m, primaryKeys.toArray(new String[] {}));
          }
  
          return enhanceEntityList;
      }
docs: Read from index table.
  
  @param m the m
  @param client the client
  @param indexClauseMap the index clause map
  @return the list