@Override
  public Map<String, Map<String, String>> updatePartitionColumnStatisticsInBatch(
                                                      Map<String, ColumnStatistics> partColStatsMap,
                                                      Table tbl,
                                                      List<TransactionalMetaStoreEventListener> listeners,
                                                      String validWriteIds, long writeId)
          throws NoSuchObjectException, MetaException, InvalidObjectException, InvalidInputException {
    return directSql.updatePartitionColumnStatisticsBatch(partColStatsMap, tbl,
            listeners, validWriteIds, writeId);
  }
Get partition's column stats

@return Map of column name and its stats
standalone-metastore/metastore-server/src/main/java/org/apache/hadoop/hive/metastore/ObjectStore.java