code: protected Object executeCQLQuery(String cqlQuery, boolean isCql3Enabled) {
          Cassandra.Client conn = null;
          Object pooledConnection = null;
          pooledConnection = getConnection();
          conn = (org.apache.cassandra.thrift.Cassandra.Client) getConnection(pooledConnection);
          try {
              if (isCql3Enabled || isCql3Enabled()) {
                  return execute(cqlQuery, conn);
              }
              KunderaCoreUtils.printQuery(cqlQuery, showQuery);
              if (log.isDebugEnabled()) {
                  log.debug("Executing cql query {}.", cqlQuery);
              }
              return conn.execute_cql_query(ByteBufferUtil.bytes(cqlQuery), org.apache.cassandra.thrift.Compression.NONE);
          } catch (Exception ex) {
              if (log.isErrorEnabled()) {
                  log.error("Error during executing query {}, Caused by: {} .", cqlQuery, ex);
              }
              throw new PersistenceException(ex);
          } finally {
              releaseConnection(pooledConnection);
          }
      }
docs: Executes query string using cql3.
  
  @param cqlQuery
  the cql query
  @param isCql3Enabled
  the is cql3 enabled
  @return the object