public Object get(String name) {
   int i = logRecord.idOfColumnName(name);
   if (i < 0) {
     return null;
   } else {
     return values[i];
   }
 }
 public void put(String name, Object value) {
   int i = logRecord.idOfColumnName(name);
   if (i < 0) {
     return;
   } else {
     values[i] = value;
   }
 }