buf.append(",\"related_query\":");
            buf.append(escapeJson(relatedQueries));
            final String[] relatedContents = relatedContentHelper.getRelatedContents(params.getQuery());
            buf.append(",\"related_contents\":");
            buf.append(escapeJson(relatedContents));
            buf.append(',');
            buf.append("\"data\":[");
            if (!documentItems.isEmpty()) {

    //                                                                       =============
    @Override
    public String asTableDbName() {
        return "related_content";
    }

    @Override
    public String xgetAliasName() {
        return "related_content";
    }

    // ===================================================================================

                "fess_config.job_log", //
                "fess_config.key_match", //
                "fess_config.label_type", //
                "fess_config.path_mapping", //
                "fess_config.related_content", //
                "fess_config.related_query", //
                "fess_config.request_header", //
                "fess_config.role_type", //
                "fess_config.scheduled_job", //