return id.substring(0, ID_MAX_LENGTH);
        }
        return id;
    }

    public static String[] parseQuery(final String q, final String field) {
        final List<String> keywords = getKeywords(q, new String[] { field });
        if (MAX_QUERY_TERM_NUM < keywords.size()) {
            return new String[0];
        }
        for (final String k : keywords) {
            if (MAX_QUERY_TERM_LENGTH < k.length()) {