final RangeQueryBuilder rangeQuery = QueryBuilders.rangeQuery(field);
        final BytesRef min = termRangeQuery.getLowerTerm();
        if (min != null) {
            if (termRangeQuery.includesLower()) {
                rangeQuery.gte(min.utf8ToString());
            } else {
                rangeQuery.gt(min.utf8ToString());
            }
        }

        searchLogBhv.selectBulk(cb -> {
            final String from = LocalDateTime.now().minusDays(fessConfig.getPurgeSuggestSearchLogDay()).format(DateTimeFormatter.ISO_DATE);
            cb.query().addQuery(QueryBuilders.rangeQuery("requestedAt").gte(from));
            cb.query().addOrderBy_RequestedAt_Asc();
            cb.specify().columnAccessType();
            cb.specify().columnUserSessionId();
            cb.specify().columnHitCount();

     */
    public long getDocumentWordsNum() {
        return getNum(QueryBuilders.rangeQuery(FieldNames.DOC_FREQ).gte(1));
    }

    /**
     * Returns the number of query words in the suggestion index.
     * @return The number of query words.
     */
    public long getQueryWordsNum() {
        return getNum(QueryBuilders.rangeQuery(FieldNames.QUERY_FREQ).gte(1));
    }

        // Build query to exclude certain kinds
        final org.opensearch.index.query.BoolQueryBuilder boolQuery =
                QueryBuilders.boolQuery().must(QueryBuilders.rangeQuery(freqField).gte(1));
        for (final SuggestItem.Kind kind : excludeKinds) {
            boolQuery.mustNot(QueryBuilders.matchPhraseQuery(FieldNames.KINDS, kind.toString()));
        }

            if (!Constants.FALSE.equals(initParamMap.getAsString(KEEP_EXPIRES_DOCS))) {
                final QueryBuilder expiresCheckQuery = QueryBuilders.boolQuery()//
                        .mustNot(QueryBuilders.rangeQuery(fessConfig.getIndexFieldExpires()).gt("now"))//
                        .mustNot(QueryBuilders.existsQuery(fessConfig.getIndexFieldExpires()));
                queryBuilder.must(expiresCheckQuery);
            }