예제 #1
0
int 
UtilTransactions::verifyOrderedIndex(Ndb* pNdb,
				     const NdbDictionary::Index* pIndex,
				     int parallelism,
				     bool transactional){
  
  int                  retryAttempt = 0;
  const int            retryMax = 100;
  int                  check;
  NdbScanOperation     *pOp;
  NdbIndexScanOperation * iop = 0;

  NDBT_ResultRow       scanRow(tab);
  NDBT_ResultRow       pkRow(tab);
  NDBT_ResultRow       indexRow(tab);
  const char * indexName = pIndex->getName();

  int res;
  parallelism = 1;
  
  while (true){

    if (retryAttempt >= retryMax){
      g_info << "ERROR: has retried this operation " << retryAttempt 
	     << " times, failing!" << endl;
      return NDBT_FAILED;
    }

    pTrans = pNdb->startTransaction();
    if (pTrans == NULL) {
      const NdbError err = pNdb->getNdbError();

      if (err.status == NdbError::TemporaryError){
	ERR(err);
	NdbSleep_MilliSleep(50);
	retryAttempt++;
	continue;
      }
      ERR(err);
      return NDBT_FAILED;
    }

    pOp = pTrans->getNdbScanOperation(tab.getName());	
    if (pOp == NULL) {
      ERR(pTrans->getNdbError());
      closeTransaction(pNdb);
      return NDBT_FAILED;
    }

    if( pOp->readTuples(NdbScanOperation::LM_Read, 0, parallelism) ) {
      ERR(pTrans->getNdbError());
      closeTransaction(pNdb);
      return NDBT_FAILED;
    }

    check = pOp->interpret_exit_ok();
    if( check == -1 ) {
      ERR(pTrans->getNdbError());
      closeTransaction(pNdb);
      return NDBT_FAILED;
    }

    if(get_values(pOp, scanRow))
    {
      abort();
    }

    check = pTrans->execute(NoCommit, AbortOnError);
    if( check == -1 ) {
      const NdbError err = pTrans->getNdbError();
      
      if (err.status == NdbError::TemporaryError){
	ERR(err);
	closeTransaction(pNdb);
	NdbSleep_MilliSleep(50);
	retryAttempt++;
	continue;
      }
      ERR(err);
      closeTransaction(pNdb);
      return NDBT_FAILED;
    }
        
    int eof;
    int rows = 0;
    while(check == 0 && (eof = pOp->nextResult()) == 0){
      rows++;

      bool null_found= false;
      for(int a = 0; a<(int)pIndex->getNoOfColumns(); a++){
	const NdbDictionary::Column *  col = pIndex->getColumn(a);
	if (scanRow.attributeStore(col->getName())->isNULL())
	{
	  null_found= true;
	  break;
	}
      }
      
      // Do pk lookup
      NdbOperation * pk = pTrans->getNdbOperation(tab.getName());
      if(!pk || pk->readTuple())
	goto error;
      if(equal(&tab, pk, scanRow) || get_values(pk, pkRow))
	goto error;

      if(!null_found)
      {
	if(!iop && (iop= pTrans->getNdbIndexScanOperation(indexName, 
							  tab.getName())))
	{
	  if(iop->readTuples(NdbScanOperation::LM_CommittedRead, 
			     parallelism))
	    goto error;
	  iop->interpret_exit_ok();
	  if(get_values(iop, indexRow))
	    goto error;
	}
	else if(!iop || iop->reset_bounds())
	{
	  goto error;
	}
	
	if(equal(pIndex, iop, scanRow))
	  goto error;
      }     

      check = pTrans->execute(NoCommit, AbortOnError);
      if(check)
	goto error;

      if(scanRow.c_str() != pkRow.c_str()){
	g_err << "Error when comapring records" << endl;
	g_err << " scanRow: \n" << scanRow.c_str().c_str() << endl;
	g_err << " pkRow: \n" << pkRow.c_str().c_str() << endl;
	closeTransaction(pNdb);
	return NDBT_FAILED;
      }

      if(!null_found)
      {
	
	if((res= iop->nextResult()) != 0){
	  g_err << "Failed to find row using index: " << res << endl;
	  ERR(pTrans->getNdbError());
	  closeTransaction(pNdb);
	  return NDBT_FAILED;
	}
	
	if(scanRow.c_str() != indexRow.c_str()){
	  g_err << "Error when comapring records" << endl;
	  g_err << " scanRow: \n" << scanRow.c_str().c_str() << endl;
	  g_err << " indexRow: \n" << indexRow.c_str().c_str() << endl;
	  closeTransaction(pNdb);
	  return NDBT_FAILED;
	}
	
	if(iop->nextResult() == 0){
	  g_err << "Found extra row!!" << endl;
	  g_err << " indexRow: \n" << indexRow.c_str().c_str() << endl;
	  closeTransaction(pNdb);
	  return NDBT_FAILED;
	}
      }
    }
    
    if (eof == -1 || check == -1) {
  error:
      const NdbError err = pTrans->getNdbError();
      
      if (err.status == NdbError::TemporaryError){
	ERR(err);
	iop = 0;
	closeTransaction(pNdb);
	NdbSleep_MilliSleep(50);
	retryAttempt++;
	rows--;
	continue;
      }
      ERR(err);
      closeTransaction(pNdb);
      return NDBT_FAILED;
    }
      
    closeTransaction(pNdb);
    
    return NDBT_OK;
  }
  return NDBT_FAILED;
}
int
HugoTransactions::scanReadRecords(Ndb* pNdb, 
				  const NdbDictionary::Index * pIdx,
				  int records,
				  int abortPercent,
				  int parallelism, 
				  NdbOperation::LockMode lm,
                                  int scan_flags)
{
  
  int                  retryAttempt = 0;
  int                  check, a;
  NdbIndexScanOperation	       *pOp;

  while (true){

    if (retryAttempt >= m_retryMax){
      g_err << "ERROR: has retried this operation " << retryAttempt 
	    << " times, failing!" << endl;
      return NDBT_FAILED;
    }

    pTrans = pNdb->startTransaction();
    if (pTrans == NULL) {
      const NdbError err = pNdb->getNdbError();

      if (err.status == NdbError::TemporaryError){
	ERR(err);
	NdbSleep_MilliSleep(50);
	retryAttempt++;
	continue;
      }
      ERR(err);
      return NDBT_FAILED;
    }

    pOp = pTrans->getNdbIndexScanOperation(pIdx->getName(), tab.getName());
    if (pOp == NULL) {
      ERR(pTrans->getNdbError());
      closeTransaction(pNdb);
      return NDBT_FAILED;
    }

    if( pOp ->readTuples(lm, scan_flags, parallelism) ) {
      ERR(pTrans->getNdbError());
      closeTransaction(pNdb);
      return NDBT_FAILED;
    }
    
    check = pOp->interpret_exit_ok();
    if( check == -1 ) {
      ERR(pTrans->getNdbError());
      closeTransaction(pNdb);
      return NDBT_FAILED;
    }
  
    for(a = 0; a<tab.getNoOfColumns(); a++){
      if((row.attributeStore(a) = 
	  pOp->getValue(tab.getColumn(a)->getName())) == 0) {
	ERR(pTrans->getNdbError());
	closeTransaction(pNdb);
	return NDBT_FAILED;
      }
    }

    check = pTrans->execute(NoCommit, AbortOnError);
    if( check == -1 ) {
      const NdbError err = pTrans->getNdbError();
      if (err.status == NdbError::TemporaryError){
	ERR(err);
	closeTransaction(pNdb);
	NdbSleep_MilliSleep(50);
	retryAttempt++;
	continue;
      }
      ERR(err);
      closeTransaction(pNdb);
      return NDBT_FAILED;
    }

    // Abort after 1-100 or 1-records rows
    int ranVal = rand();
    int abortCount = ranVal % (records == 0 ? 100 : records); 
    bool abortTrans = false;
    if (abort > 0){
      // Abort if abortCount is less then abortPercent 
      if (abortCount < abortPercent) 
	abortTrans = true;
    }
    
    int eof;
    int rows = 0;
    while((eof = pOp->nextResult(true)) == 0){
      rows++;
      if (calc.verifyRowValues(&row) != 0){
	closeTransaction(pNdb);
	return NDBT_FAILED;
      }

      if (abortCount == rows && abortTrans == true){
	ndbout << "Scan is aborted" << endl;
	g_info << "Scan is aborted" << endl;
	pOp->close();
	if( check == -1 ) {
	  ERR(pTrans->getNdbError());
	  closeTransaction(pNdb);
	  return NDBT_FAILED;
	}
	
	closeTransaction(pNdb);
	return NDBT_OK;
      }
    }
    if (eof == -1) {
      const NdbError err = pTrans->getNdbError();
      
      if (err.status == NdbError::TemporaryError){
	ERR_INFO(err);
	closeTransaction(pNdb);
	NdbSleep_MilliSleep(50);
	switch (err.code){
	case 488:
	case 245:
	case 490:
	  // Too many active scans, no limit on number of retry attempts
	  break;
	default:
	  retryAttempt++;
	}
	continue;
      }
      ERR(err);
      closeTransaction(pNdb);
      return NDBT_FAILED;
    }

    closeTransaction(pNdb);

    g_info << rows << " rows have been read" << endl;
    if (records != 0 && rows != records){
      g_err << "Check expected number of records failed" << endl 
	    << "  expected=" << records <<", " << endl
	    << "  read=" << rows << endl;
      return NDBT_FAILED;
    }
    
    return NDBT_OK;
  }
  return NDBT_FAILED;
}