@Override
  public CompactionMetricsData getCompactionMetricsData(String dbName, String tblName, String partitionName,
      CompactionMetricsData.MetricType type) throws MetaException {
    return jdbcResource.execute(new CompactionMetricsDataHandler(dbName, tblName, partitionName, type));
  }
Returns the min txnid seen open by any active transaction
@deprecated remove when min_history_level is dropped
@return txnId
standalone-metastore/metastore-server/src/main/java/org/apache/hadoop/hive/metastore/txn/CompactionTxnHandler.java