@Override
public Map<String, List<ColumnStatisticsObj>> getPartitionColumnStatistics(
String dbName, String tableName, List<String> partNames, List<String> colNames)
throws NoSuchObjectException, MetaException, TException {
return client.get_partitions_statistics_req(
new PartitionsStatsRequest(dbName, tableName, colNames, partNames)).getPartStats();
}