@Override
    public long getCurrentEndPoint(
        Statistics<? extends Object> seqStatistics, Statistics<? extends Object> unseqStatistics) {
      return Math.min(seqStatistics.getEndTime(), unseqStatistics.getEndTime());
    }
Return true if taking first page reader from seq readers
iotdb-core/datanode/src/main/java/org/apache/iotdb/db/queryengine/execution/operator/source/SeriesScanUtil.java