appendJson("doc-id", entity.getDocId(), buf).append(',');
                    appendJson("url", entity.getUrl(), buf).append(',');
                    appendJson("order", entity.getOrder(), buf).append(',');
                    appendJson("query-requested-at", entity.getQueryRequestedAt(), buf).append(',');
                    appendJson("requested-at", entity.getRequestedAt(), buf);

                clickLog.setDocId(form.docId);
                clickLog.setQueryId(form.queryId);
                if (form.order != null) {
                    clickLog.setOrder(form.order);
                }
                searchLogHelper.addClickLog(clickLog);
            }
        }

        final String targetUrl = pathMappingHelper.replaceUrl(url);

        String hash;