@Override public LogSeqNum writeToLog(){
  List<Constant> rec=buildRecord();
  return logMgr.append(rec.toArray(new Constant[rec.size()]));
}

@ Override public LogSeqNum writeToLog ( ) { List < Constant > rec = buildRecord ( ) ; return logMgr . append ( rec . toArray ( new Constant [ rec . size ( ) ] ) ) ; }
writes a setval record to the log . this log record contains the sql type corresponding to the value as the operator id , followed by the transaction id , the filename , block number , and offset of the modified block , and the previous integer value at that offset .
