docs: private int getColIndex(String colName, String tabName) {
  
          int ordPos = 0;
  
          try {
              if (cConn == null) {
                  return -1;
              }
  
              if (dbmeta == null) {
                  dbmeta = cConn.getMetaData();
              }
  
              ResultSet colList = dbmeta.getColumns(null, null, tabName,
                                                    colName);
  
              colList.next();
  
              ordPos = colList.getInt("ORDINAL_POSITION");
  
              colList.close();
          } catch (SQLException e) {
              System.out.println("SQL Exception: " + e.getMessage());
          }
  
          return ordPos - 1;
      }