@Override
  public Map<String, String> updatePartitionColumnStatistics(ColumnStatistics colStats,
      List<String> partVals, String validWriteIds, long writeId)
      throws MetaException, NoSuchObjectException, InvalidObjectException, InvalidInputException {
    ColumnStatisticsDesc statsDesc = colStats.getStatsDesc();
    Table table = getTable(statsDesc.getCatName(), statsDesc.getDbName(), statsDesc.getTableName());
    MTable mTable = ensureGetMTable(statsDesc.getCatName(), statsDesc.getDbName(), statsDesc.getTableName());
    return updatePartitionColumnStatistics(table, mTable, colStats, partVals, 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