public List<ColumnStatisticsObj> getTableColumnStatistics(String dbName, String tableName) throws Exception {
    return client.getTableColumnStatistics(dbName, tableName, getTableColNames(dbName, tableName), Constants.HIVE_ENGINE);
  }
Get statistics for given set of columns of a given table in the given database.
@param dbName - the database where the table resides
@param tableName - tablename whose statistics are to be retrieved
@return - list of ColumnStatisticsObj objects in the order of the specified columns
itests/hive-unit/src/test/java/org/apache/hadoop/hive/ql/parse/WarehouseInstance.java