code: public String getColumnName(final int column) throws SQLException {
      String columnName = getColumnInformation(column).getOriginalName();
      if (returnTableAlias) {
        columnName = getColumnInformation(column).getName(); //for old mysql compatibility
      }
  
      if ("".equals(columnName)) {
        // odd things that are no columns, e.g count(*)
        columnName = getColumnLabel(column);
      }
      return columnName;
    }
docs: Get the designated column's name.
  
  @param column the first column is 1, the second is 2, ...
  @return column name
  @throws SQLException if a database access error occurs