*
     * @return the complete formatted query string
     */
    public String build() {
        final FessConfig fessConfig = ComponentUtil.getFessConfig();
        final int maxQueryLength = fessConfig.getQueryMaxLengthAsInteger();
        final StringBuilder queryBuf = new StringBuilder(255);

        final String query = buildBaseQuery();
        if (StringUtil.isNotBlank(query)) {
            queryBuf.append(escapeQuery(query));

            final Map<String, List<String>> fieldLogMap = (Map<String, List<String>>) req.getAttribute(Constants.FIELD_LOGS);
            if (fieldLogMap != null) {
                final int queryMaxLength = fessConfig.getQueryMaxLengthAsInteger();
                for (final Map.Entry<String, List<String>> logEntry : fieldLogMap.entrySet()) {
                    for (final String value : logEntry.getValue()) {