try {
            final RESULT result = entityType.newInstance();
            result.setCreatedAt(toLocalDateTime(source.get("createdAt")));
            result.setDocId(DfTypeUtil.toString(source.get("docId")));
            result.setQueryId(DfTypeUtil.toString(source.get("queryId")));
            result.setUrl(DfTypeUtil.toString(source.get("url")));

            columnList.add(name);
        }

        public void columnId() {
            doColumn("_id");
        }

        public void columnCreatedAt() {
            doColumn("createdAt");
        }

        public void columnDocId() {
            doColumn("docId");
        }

        public void columnQueryId() {
            doColumn("queryId");
        }