code: public boolean copyToScan(UpdateScan s) {
  		if (!this.next())
  			return false;
  		s.insert();
  		for (String fldName : sch.fields()) {
  			s.setVal(fldName, this.getVal(fldName));
  		}
  		return true;
  	}
docs: Copy sorted records to UpdateScan
  
  @param s
  the target scan
  @return true if still record in TempRecordPage