code: public int executeUpdateDeleteQuery(String cqlQuery) {
          Session session = null;
          try {
              if (log.isInfoEnabled()) {
                  log.info("Executing cql query {}.", cqlQuery);
              }
              session = factory.getConnection();
              KunderaCoreUtils.printQuery(cqlQuery, showQuery);
              session.execute(cqlQuery);
          } finally {
              // factory.releaseConnection(session);
          }
          // TODO: can't find a way to return number of updated records.
          return 0;
  
      }
docs: /*
  (non-Javadoc)
  
  @see com.impetus.client.cassandra.CassandraClientBase#executeUpdateDeleteQuery (java.lang.String)