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C++ NdbConnection::getNdbScanOperation方法代码示例

本文整理汇总了C++中NdbConnection::getNdbScanOperation方法的典型用法代码示例。如果您正苦于以下问题：C++ NdbConnection::getNdbScanOperation方法的具体用法？C++ NdbConnection::getNdbScanOperation怎么用？C++ NdbConnection::getNdbScanOperation使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类NdbConnection的用法示例。


在下文中一共展示了NdbConnection::getNdbScanOperation方法的9个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。

示例1: print_part_info

static 
void print_part_info(Ndb* pNdb, NDBT_Table* pTab)
{
  InfoInfo g_part_info[] = {
    { "Partition", 0, NdbDictionary::Column::FRAGMENT },
    { "Row count", 0, NdbDictionary::Column::ROW_COUNT },
    { "Commit count", 0, NdbDictionary::Column::COMMIT_COUNT },
    { "Frag fixed memory", 0, NdbDictionary::Column::FRAGMENT_FIXED_MEMORY },
    { "Frag varsized memory", 0, NdbDictionary::Column::FRAGMENT_VARSIZED_MEMORY },
    { 0, 0, 0 }
  };

  ndbout << "-- Per partition info -- " << endl;
  
  NdbConnection* pTrans = pNdb->startTransaction();
  if (pTrans == 0)
    return;
  
  do
  {
    NdbScanOperation* pOp= pTrans->getNdbScanOperation(pTab->getName());
    if (pOp == NULL)
      break;
    
    int rs = pOp->readTuples(NdbOperation::LM_CommittedRead); 
    if (rs != 0)
      break;
    
    if (pOp->interpret_exit_last_row() != 0)
      break;
    
    Uint32 i = 0;
    for(i = 0; g_part_info[i].m_title != 0; i++)
    {
      if ((g_part_info[i].m_rec_attr = pOp->getValue(g_part_info[i].m_column)) == 0)
	break;
    }

    if (g_part_info[i].m_title != 0)
      break;

    if (pTrans->execute(NoCommit) != 0)
      break;
	
    for (i = 0; g_part_info[i].m_title != 0; i++)
      ndbout << g_part_info[i].m_title << "\t";
    ndbout << endl;
    
    while(pOp->nextResult() == 0)
    {
      for(i = 0; g_part_info[i].m_title != 0; i++)
      {
	ndbout << *g_part_info[i].m_rec_attr << "\t";
      }
      ndbout << endl;
    }
  } while(0);
  
  pTrans->close();
}
开发者ID:A-eolus，项目名称:mysql，代码行数:60，代码来源:desc.cpp

示例2: filter

int
run_read() {
    int iter = g_paramters[P_LOOPS].value;
    NDB_TICKS start1, stop;
    int sum_time= 0;

    const Uint32 rows = g_paramters[P_ROWS].value;
    const Uint32 range = g_paramters[P_RANGE].value;

    start1 = NdbTick_CurrentMillisecond();
    NdbConnection * pTrans = g_ndb->startTransaction();
    if(!pTrans) {
        g_err << "Failed to start transaction" << endl;
        err(g_ndb->getNdbError());
        return -1;
    }

    NdbOperation * pOp;
    NdbScanOperation * pSp;
    NdbIndexOperation * pUp;
    NdbIndexScanOperation * pIp;

    Uint32 start_row = rand() % (rows - range);
    Uint32 stop_row = start_row + range;

    /**
     * 0 - serial pk
     * 1 - batch pk
     * 2 - serial uniq
     * 3 - batch uniq
     * 4 - index eq
     * 5 - range scan
     * 6 - interpreted scan
     */
    int check = 0;
    void* res = (void*)~0;
    const Uint32 pk = 0;
    Uint32 cnt = 0;
    for(; start_row < stop_row; start_row++) {
        switch(g_paramters[P_OPER].value) {
        case 0:
            pOp = pTrans->getNdbOperation(g_table);
            check = pOp->readTuple();
            check = pOp->equal(pk, start_row);
            break;
        case 1:
            for(; start_row<stop_row; start_row++) {
                pOp = pTrans->getNdbOperation(g_table);
                check = pOp->readTuple();
                check = pOp->equal(pk, start_row);
                for(int j = 0; j<g_tab->getNoOfColumns(); j++) {
                    res = pOp->getValue(j);
                    assert(res);
                }
            }
            break;
        case 2:
            pOp = pTrans->getNdbIndexOperation(g_unique, g_table);
            check = pOp->readTuple();
            check = pOp->equal(pk, start_row);
            break;
        case 3:
            for(; start_row<stop_row; start_row++) {
                pOp = pTrans->getNdbIndexOperation(g_unique, g_table);
                check = pOp->readTuple();
                check = pOp->equal(pk, start_row);
                for(int j = 0; j<g_tab->getNoOfColumns(); j++) {
                    res = pOp->getValue(j);
                    assert(res);
                }
            }
            break;
        case 4:
            pOp = pSp = pIp = pTrans->getNdbIndexScanOperation(g_ordered,g_table);
            pIp->readTuples(NdbScanOperation::LM_CommittedRead, 0, 0);
            check = pIp->setBound(pk, NdbIndexScanOperation::BoundEQ, &start_row);
            break;
        case 5:
            pOp = pSp = pIp = pTrans->getNdbIndexScanOperation(g_ordered,g_table);
            pIp->readTuples(NdbScanOperation::LM_CommittedRead, 0, 0);
            check = pIp->setBound(pk, NdbIndexScanOperation::BoundLE, &start_row);
            check = pIp->setBound(pk, NdbIndexScanOperation::BoundGT, &stop_row);
            start_row = stop_row;
            break;
        case 6:
            pOp = pSp = pIp = pTrans->getNdbIndexScanOperation(g_ordered,g_table);
            pIp->readTuples(NdbScanOperation::LM_CommittedRead, 0, 0, true);
            check = pIp->setBound(pk, NdbIndexScanOperation::BoundLE, &start_row);
            check = pIp->setBound(pk, NdbIndexScanOperation::BoundGT, &stop_row);
            start_row = stop_row;
            break;
        case 7:
            pOp = pSp = pTrans->getNdbScanOperation(g_table);
            pSp->readTuples(NdbScanOperation::LM_CommittedRead, 0, 0);
            NdbScanFilter filter(pOp) ;
            filter.begin(NdbScanFilter::AND);
            filter.ge(pk, start_row);
            filter.lt(pk, stop_row);
            filter.end();
            start_row = stop_row;
//.........这里部分代码省略.........
开发者ID:liuqian1990，项目名称:mariadb-10.0，代码行数:101，代码来源:testReadPerf.cpp

示例3: utilTrans

inline
int 
ScanInterpretTest::scanReadVerify(Ndb* pNdb,
				  int records,
				  int parallelism,
				  ScanFilter& filter){
  int                  retryAttempt = 0;
  const int            retryMax = 100;
  int                  check;
  NdbConnection	       *pTrans;
  NdbScanOperation	       *pOp;
  
  while (true){
    
    if (retryAttempt >= retryMax){
      ndbout << "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) {  if (pOp->getValue("KOL2") == 0){
    ERR(pNdb->getNdbError());
    return NDBT_FAILED;
  }
  

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

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

    
    // Read all attributes  
    for(int a = 0; a<tab.getNoOfColumns(); a++){
      if((row.attributeStore(a) = 
	  pOp->getValue(tab.getColumn(a)->getName())) == 0) {
	ERR(pTrans->getNdbError());
	pNdb->closeTransaction(pTrans);
	return NDBT_FAILED;
      }
    }      
    check = pTrans->execute(NoCommit);   
    if( check == -1 ) {
      ERR(pTrans->getNdbError());
      pNdb->closeTransaction(pTrans);
      return NDBT_FAILED;
    }

    int eof;
    int rows = 0;
    int rowsNoExist = 0;
    int rowsExist = 0;    
    int existingRecordsNotFound = 0;
    int nonExistingRecordsFound = 0;


    NdbConnection* pExistTrans;
    NdbConnection* pNoExistTrans;
    
    while((eof = pOp->nextResult(true)) == 0){
      pExistTrans = pNdb->startTransaction();
      if (pExistTrans == NULL) {
	const NdbError err = pNdb->getNdbError();
	ERR(err);
	return NDBT_FAILED;
      }
      pNoExistTrans = pNdb->startTransaction();
      if (pNoExistTrans == NULL) {
	const NdbError err = pNdb->getNdbError();
	ERR(err);
	return NDBT_FAILED;
      }
//.........这里部分代码省略.........
开发者ID:4T-Shirt，项目名称:mysql，代码行数:101，代码来源:ScanInterpretTest.hpp

示例4: while

inline
int 
ScanInterpretTest::scanRead(Ndb* pNdb,
			    int records,
			    int parallelism,
			    ScanFilter& filter){
  int                  retryAttempt = 0;	
  int            retryMax = 100;
  int                  check;
  NdbConnection	       *pTrans;
  NdbScanOperation	       *pOp;

  while (true){

    if (retryAttempt >= retryMax){
      ndbout << "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());
      pNdb->closeTransaction(pTrans);
      return NDBT_FAILED;
    }
   
    if( pOp->readTuples(NdbScanOperation::LM_Read, 0, parallelism) ) {
      ERR(pTrans->getNdbError());
      pNdb->closeTransaction(pTrans);
      return NDBT_FAILED;
    }

    if (filter.filterOp(pOp) != 0){
      ERR(pTrans->getNdbError());
      pNdb->closeTransaction(pTrans);
      return NDBT_FAILED;
    }
    
    // Read all attributes  
    for(int a = 0; a<tab.getNoOfColumns(); a++){
      if((row.attributeStore(a) = 
	  pOp->getValue(tab.getColumn(a)->getName())) == 0) {
	ERR(pTrans->getNdbError());
	pNdb->closeTransaction(pTrans);
	return NDBT_FAILED;
      }
    }      
    check = pTrans->execute(NoCommit);   
    if( check == -1 ) {
      ERR(pTrans->getNdbError());
      pNdb->closeTransaction(pTrans);
      return NDBT_FAILED;
    }

    int eof;
    int rows = 0;
    NdbConnection* pInsTrans;

    while((eof = pOp->nextResult(true)) == 0){
      do {
	rows++;
	if (addRowToInsert(pNdb, pTrans) != 0){
	  pNdb->closeTransaction(pTrans);
	  return NDBT_FAILED;
	}
      } while((eof = pOp->nextResult(false)) == 0);
      
      check = pTrans->execute(Commit);   
      if( check == -1 ) {
	const NdbError err = pTrans->getNdbError();    
	ERR(err);
	pNdb->closeTransaction(pTrans);
	return NDBT_FAILED;
      }
    }
    if (eof == -1) {
      const NdbError err = pTrans->getNdbError();

      if (err.status == NdbError::TemporaryError){
	ERR(err);
	pNdb->closeTransaction(pTrans);
	NdbSleep_MilliSleep(50);
	retryAttempt++;
	continue;
      }
      ERR(err);
//.........这里部分代码省略.........
开发者ID:4T-Shirt，项目名称:mysql，代码行数:101，代码来源:ScanInterpretTest.hpp

示例5: while

inline 
int 
ScanFunctions::scanReadFunctions(Ndb* pNdb,
				 int records,
				 int parallelism,
				 ActionType action,
				 bool exclusive){
  int                  retryAttempt = 0;
  const int            retryMax = 100;
  int sleepTime = 10;
  int                  check;
  NdbConnection	       *pTrans = 0;
  NdbScanOperation     *pOp = 0;

  while (true){
    if (retryAttempt >= 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;
    }
    
    // Execute the scan without defining a scan operation
    pOp = pTrans->getNdbScanOperation(tab.getName());	
    if (pOp == NULL) {
      ERR(pTrans->getNdbError());
      pNdb->closeTransaction(pTrans);
      return NDBT_FAILED;
    }
    
    if( pOp->readTuples(exclusive ? 
			NdbScanOperation::LM_Exclusive : 
			NdbScanOperation::LM_Read) ) {
      ERR(pTrans->getNdbError());
      pNdb->closeTransaction(pTrans);
      return NDBT_FAILED;
    }
    
    
    if (action == OnlyOpenScanOnce){
      // Call openScan one more time when it's already defined
      if( pOp->readTuples(NdbScanOperation::LM_Read) ) {
	ERR(pTrans->getNdbError());
	pNdb->closeTransaction(pTrans);
	return NDBT_FAILED;
      }
    }
    
    if (action==EqualAfterOpenScan){
      check = pOp->equal(tab.getColumn(0)->getName(), 10);
      if( check == -1 ) {
	ERR(pTrans->getNdbError());
	pNdb->closeTransaction(pTrans);
	return NDBT_FAILED;
      }	
    }
    
    check = pOp->interpret_exit_ok();
    if( check == -1 ) {
      ERR(pTrans->getNdbError());
      pNdb->closeTransaction(pTrans);
      return NDBT_FAILED;
    }
    
    for(int a = 0; a<tab.getNoOfColumns(); a++){
      if(pOp->getValue(tab.getColumn(a)->getName()) == NULL) {
	ERR(pTrans->getNdbError());
	pNdb->closeTransaction(pTrans);
	return NDBT_FAILED;
      }
    }      
    
    check = pTrans->execute(NoCommit);
    if( check == -1 ) {
      ERR(pTrans->getNdbError());
      pNdb->closeTransaction(pTrans);
      return NDBT_FAILED;
    }
    
    int abortCount = records / 10;
    bool abortTrans = (action==CloseWithoutStop);
    int eof;
    int rows = 0;
    eof = pOp->nextResult();
    
    while(eof == 0){
      rows++;
      
//.........这里部分代码省略.........
开发者ID:A-eolus，项目名称:mysql，代码行数:101，代码来源:ScanFunctions.hpp

示例6: filter

int
run_scan(){
  int iter = g_paramters[P_LOOPS].value;
  NDB_TICKS start1, stop;
  int sum_time= 0;

  int sample_rows = 0;
  int tot_rows = 0;
  NDB_TICKS sample_start = NdbTick_CurrentMillisecond();

  Uint32 tot = g_paramters[P_ROWS].value;

  if(g_paramters[P_BOUND].value >= 2 || g_paramters[P_FILT].value == 2)
    iter *= g_paramters[P_ROWS].value;

  NdbScanOperation * pOp = 0;
  NdbIndexScanOperation * pIOp = 0;
  NdbConnection * pTrans = 0;
  int check = 0;

  for(int i = 0; i<iter; i++){
    start1 = NdbTick_CurrentMillisecond();
    pTrans = pTrans ? pTrans : g_ndb->startTransaction();
    if(!pTrans){
      g_err << "Failed to start transaction" << endl;
      err(g_ndb->getNdbError());
      return -1;
    }
    
    int par = g_paramters[P_PARRA].value;
    int bat = 0; // g_paramters[P_BATCH].value;
    NdbScanOperation::LockMode lm;
    switch(g_paramters[P_LOCK].value){
    case 0:
      lm = NdbScanOperation::LM_CommittedRead;
      break;
    case 1:
      lm = NdbScanOperation::LM_Read;
      break;
    case 2:
      lm = NdbScanOperation::LM_Exclusive;
      break;
    default:
      abort();
    }

    if(g_paramters[P_ACCESS].value == 0){
      pOp = pTrans->getNdbScanOperation(g_tablename);
      assert(pOp);
      pOp->readTuples(lm, bat, par);
    } else {
      if(g_paramters[P_RESET].value == 0 || pIOp == 0)
      {
	pOp= pIOp= pTrans->getNdbIndexScanOperation(g_indexname, g_tablename);
	bool ord = g_paramters[P_ACCESS].value == 2;
	pIOp->readTuples(lm, bat, par, ord);
      }
      else
      {
	pIOp->reset_bounds();
      }

      switch(g_paramters[P_BOUND].value){
      case 0: // All
	break;
      case 1: // None
	pIOp->setBound((Uint32)0, NdbIndexScanOperation::BoundEQ, 0);
	break;
      case 2: { // 1 row
      default:  
	assert(g_table->getNoOfPrimaryKeys() == 1); // only impl. so far
	int tot = g_paramters[P_ROWS].value;
	int row = rand() % tot;
#if 0
	fix_eq_bound(pIOp, row);
#else
	pIOp->setBound((Uint32)0, NdbIndexScanOperation::BoundEQ, &row);
#endif
	if(g_paramters[P_RESET].value == 2)
	  goto execute;
	break;
      }
      case 3: { // read multi
	int multi = g_paramters[P_MULTI].value;
	int tot = g_paramters[P_ROWS].value;
	for(; multi > 0 && i < iter; --multi, i++)
	{
	  int row = rand() % tot;
	  pIOp->setBound((Uint32)0, NdbIndexScanOperation::BoundEQ, &row);
	  pIOp->end_of_bound(i);
	}
	if(g_paramters[P_RESET].value == 2)
	  goto execute;
	break;
      }
      }
    }
    assert(pOp);
    
    switch(g_paramters[P_FILT].value){
//.........这里部分代码省略.........
开发者ID:4T-Shirt，项目名称:mysql，代码行数:101，代码来源:testScanPerf.cpp

示例7: runTestBug34107

int runTestBug34107(NDBT_Context* ctx, NDBT_Step* step){
  const NdbDictionary::Table * pTab = ctx->getTab();
  Ndb* pNdb = GETNDB(step);
  const Uint32 okSize= 10000;
  const Uint32 tooBig= 30000;

  Uint32 codeBuff[tooBig];

  int i;
  for (i = 0; i <= 1; i++) {
    g_info << "bug34107:" << (i == 0 ? " small" : " too big") << endl;

    NdbConnection* pTrans = pNdb->startTransaction();
    if (pTrans == NULL){
      ERR(pNdb->getNdbError());
      return NDBT_FAILED;
    }
    
    NdbScanOperation* pOp = pTrans->getNdbScanOperation(pTab->getName());
    if (pOp == NULL) {
      ERR(pTrans->getNdbError());
      pNdb->closeTransaction(pTrans);
      return NDBT_FAILED;
    }
    
    if (pOp->readTuples() == -1) {
      ERR(pOp->getNdbError());
      pNdb->closeTransaction(pTrans);
      return NDBT_FAILED;
    }

    /* Test kernel mechanism for dealing with too large program
     * We need to provide our own program buffer as default
     * NdbInterpretedCode buffer will not grow larger than 
     * NDB_MAX_SCANFILTER_SIZE
     */

    NdbInterpretedCode code(NULL, // Table is irrelevant
                            codeBuff,
                            tooBig); // Size of codeBuff
    
    int n = i == 0 ? okSize : tooBig;
    int k;

    for (k = 0; k < n; k++) {

      // inserts 1 word ATTRINFO

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

    if (code.finalise() != 0)
    {
      ERR(code.getNdbError());
      pNdb->closeTransaction(pTrans);
      return NDBT_FAILED;
    }

    if (pOp->setInterpretedCode(&code) != 0)
    {
      ERR(pOp->getNdbError());
      pNdb->closeTransaction(pTrans);
      return NDBT_FAILED;
    }
      
    if (pTrans->execute(NoCommit) == -1) {
      ERR(pTrans->getNdbError());
      pNdb->closeTransaction(pTrans);
      return NDBT_FAILED;
    }

    int ret;
    while ((ret = pOp->nextResult()) == 0)
      ;
    g_info << "ret=" << ret << " err=" << pOp->getNdbError().code << endl;

    if (i == 0 && ret != 1) {
      ERR(pTrans->getNdbError());
      pNdb->closeTransaction(pTrans);
      return NDBT_FAILED;
    }

    if (i == 1 && ret != -1) {
      g_err << "unexpected big filter success" << endl;
      pNdb->closeTransaction(pTrans);
      return NDBT_FAILED;
    }
    if (i == 1 && pOp->getNdbError().code != 874) {
      g_err << "unexpected big filter error code, wanted 874" << endl;
      ERR(pTrans->getNdbError());
      pNdb->closeTransaction(pTrans);
      return NDBT_FAILED;
    }

    pNdb->closeTransaction(pTrans);
  }
//.........这里部分代码省略.........
开发者ID:，项目名称:，代码行数:101，代码来源:

示例8: print_part_info

static 
void print_part_info(Ndb* pNdb, NdbDictionary::Table const* pTab)
{
  InfoInfo g_part_info[] = {
    { "Partition", 0, NdbDictionary::Column::FRAGMENT },
    { "Row count", 0, NdbDictionary::Column::ROW_COUNT },
    { "Commit count", 0, NdbDictionary::Column::COMMIT_COUNT },
    { "Frag fixed memory", 0, NdbDictionary::Column::FRAGMENT_FIXED_MEMORY },
    { "Frag varsized memory", 0, NdbDictionary::Column::FRAGMENT_VARSIZED_MEMORY },
    { "Extent_space", 0, NdbDictionary::Column::FRAGMENT_EXTENT_SPACE },
    { "Free extent_space", 0, NdbDictionary::Column::FRAGMENT_FREE_EXTENT_SPACE },

    { 0, 0, 0 }
  };
  const Uint32 FragmentIdOffset = 0;

  ndbout << "-- Per partition info";

  if (_blobinfo && _partinfo)
    ndbout << " for " << pTab->getName();

  ndbout << " -- " << endl;
  
  const Uint32 codeWords= 1;
  Uint32 codeSpace[ codeWords ];
  NdbInterpretedCode code(NULL, // Table is irrelevant
                          &codeSpace[0],
                          codeWords);
  if ((code.interpret_exit_last_row() != 0) ||
      (code.finalise() != 0))
  {
    return;
  }

  NdbConnection* pTrans = pNdb->startTransaction();
  if (pTrans == 0)
    return;
  
  do
  {
    NdbScanOperation* pOp= pTrans->getNdbScanOperation(pTab->getName());
    if (pOp == NULL)
      break;
    
    int rs = pOp->readTuples(NdbOperation::LM_CommittedRead); 
    if (rs != 0)
      break;
    
    if (pOp->setInterpretedCode(&code) != 0)
      break;
    
    Uint32 i = 0;
    for(i = 0; g_part_info[i].m_title != 0; i++)
    {
      if ((g_part_info[i].m_rec_attr = pOp->getValue(g_part_info[i].m_column)) == 0)
	break;
    }

    if (g_part_info[i].m_title != 0)
      break;

    if (pTrans->execute(NoCommit) != 0)
      break;
	
    for (i = 0; g_part_info[i].m_title != 0; i++)
      ndbout << g_part_info[i].m_title << "\t";

    if (_nodeinfo)
    {
      ndbout << "Nodes\t";
    }
    
    ndbout << endl;
    
    while(pOp->nextResult() == 0)
    {
      for(i = 0; g_part_info[i].m_title != 0; i++)
      {
        NdbRecAttr &r= *g_part_info[i].m_rec_attr;
        unsigned long long val;
        switch (r.getType()) {
        case NdbDictionary::Column::Bigunsigned:
          val= r.u_64_value();
          break;
        case NdbDictionary::Column::Unsigned:
          val= r.u_32_value();
          break;
        default:
          abort();
        }
        if (val != 0)
          printf("%-*.llu\t", (int)strlen(g_part_info[i].m_title), val);
        else
          printf("0%*.s\t", (int)strlen(g_part_info[i].m_title), "");
      }

      if (_nodeinfo)
      {
        Uint32 partId = g_part_info[ FragmentIdOffset ].m_rec_attr -> u_32_value();
        
//.........这里部分代码省略.........
开发者ID:，项目名称:，代码行数:101，代码来源:

示例9: runTestBug34107

int runTestBug34107(NDBT_Context* ctx, NDBT_Step* step){
  int result = NDBT_OK;
  const NdbDictionary::Table * pTab = ctx->getTab();
  Ndb* pNdb = GETNDB(step);

  int i;
  for (i = 0; i <= 1; i++) {
    g_info << "bug34107:" << (i == 0 ? " small" : " too big") << endl;

    NdbConnection* pTrans = pNdb->startTransaction();
    if (pTrans == NULL){
      ERR(pNdb->getNdbError());
      return NDBT_FAILED;
    }
    
    NdbScanOperation* pOp = pTrans->getNdbScanOperation(pTab->getName());
    if (pOp == NULL) {
      ERR(pTrans->getNdbError());
      pNdb->closeTransaction(pTrans);
      return NDBT_FAILED;
    }
    
    if (pOp->readTuples() == -1) {
      ERR(pOp->getNdbError());
      pNdb->closeTransaction(pTrans);
      return NDBT_FAILED;
    }

    int n = i == 0 ? 10000 : 30000;
    int k;

    for (k = 0; k < n; k++) {

      // inserts 1 word ATTRINFO

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

    int ret;
    while ((ret = pOp->nextResult()) == 0)
      ;
    g_info << "ret=" << ret << " err=" << pOp->getNdbError().code << endl;

    if (i == 0 && ret != 1) {
      ERR(pTrans->getNdbError());
      pNdb->closeTransaction(pTrans);
      return NDBT_FAILED;
    }

    if (i == 1 && ret != -1) {
      g_err << "unexpected big filter success" << endl;
      pNdb->closeTransaction(pTrans);
      return NDBT_FAILED;
    }
    if (i == 1 && pOp->getNdbError().code != 874) {
      g_err << "unexpected big filter error code, wanted 874" << endl;
      ERR(pTrans->getNdbError());
      pNdb->closeTransaction(pTrans);
      return NDBT_FAILED;
    }

    pNdb->closeTransaction(pTrans);
  }

  return NDBT_OK;
}
开发者ID:Abner-Sun，项目名称:mysql5.1-vx-pre1，代码行数:76，代码来源:testInterpreter.cpp


注：本文中的NdbConnection::getNdbScanOperation方法示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台，相关代码片段筛选自各路编程大神贡献的开源项目，源码版权归原作者所有，传播和使用请参考对应项目的License；未经允许，请勿转载。