public List<ColumnStatisticsObj> getTableColumnStatistics(
      String dbName, String tblName, List<String> colNames, boolean checkTransactional)
      throws HiveException {
    Table tbl = getTable(dbName, tblName);
    return getTableColumnStatistics(tbl, colNames, checkTransactional);
  }
@return the metastore client for the current thread
@throws MetaException
ql/src/java/org/apache/hadoop/hive/ql/metadata/Hive.java