@Override
    public boolean isTakeSeqAsFirst(
        Statistics<? extends Object> seqStatistics, Statistics<? extends Object> unseqStatistics) {
      return 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