C++ NdbOperation::simpleRead方法代码示例

本文整理汇总了C++中NdbOperation::simpleRead方法的典型用法代码示例。如果您正苦于以下问题：C++ NdbOperation::simpleRead方法的具体用法？C++ NdbOperation::simpleRead怎么用？C++ NdbOperation::simpleRead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NdbOperation的用法示例。

在下文中一共展示了NdbOperation::simpleRead方法的3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: memcpy

void
T3_Callback_2(int result, NdbConnection * pCON, void * threadData){
  ThreadData * td = (ThreadData *)threadData;
  
  CHECK_MINUS_ONE(result, "T3-2: NoCommit", pCON); 
  
  Uint32 permission = td->transactionData.permission;
  Uint32 sessions   = td->transactionData.sessions;
  Uint32 server_bit = td->transactionData.server_bit;

  if(((permission & server_bit) == server_bit) &&
     ((sessions   & server_bit) == server_bit)){
    
    memcpy(td->transactionData.suffix,
	   &td->transactionData.number
	   [SUBSCRIBER_NUMBER_LENGTH-SUBSCRIBER_NUMBER_SUFFIX_LENGTH],
	   SUBSCRIBER_NUMBER_SUFFIX_LENGTH);
    DEBUG5("T3(%.*s, %.2d): - Callback 2 - reading(%.*s)\n", 
	   SUBSCRIBER_NUMBER_LENGTH, 
	   td->transactionData.number, 
	   td->transactionData.server_id,
	   SUBSCRIBER_NUMBER_SUFFIX_LENGTH, 
	   td->transactionData.suffix);
    
    /* Operation 3 */
    NdbOperation * MyOp = pCON->getNdbOperation(SESSION_TABLE);
    CHECK_NULL(MyOp, "T3-3: getNdbOperation", 
	       pCON);
    
    MyOp->simpleRead();
    MyOp->equal(IND_SESSION_SUBSCRIBER,
		(char*)td->transactionData.number);
    MyOp->equal(IND_SESSION_SERVER,
		(char*)&td->transactionData.server_id);
    MyOp->getValue(IND_SESSION_DATA, 
		   (char *)td->transactionData.session_details);
    
    /* Operation 4 */
    MyOp = pCON->getNdbOperation(SERVER_TABLE);
    CHECK_NULL(MyOp, "T3-4: getNdbOperation", 
	       pCON);
    
    MyOp->interpretedUpdateTuple();
    MyOp->equal(IND_SERVER_ID,
		(char*)&td->transactionData.server_id);
    MyOp->equal(IND_SERVER_SUBSCRIBER_SUFFIX,
		(char*)td->transactionData.suffix);
    MyOp->incValue(IND_SERVER_READS, (uint32)1);
    td->transactionData.branchExecuted = 1;
  } else {
    DEBUG3("T3(%.*s, %.2d): - Callback 2 - no read\n",
	   SUBSCRIBER_NUMBER_LENGTH, 
	   td->transactionData.number, 
	   td->transactionData.server_id);
    td->transactionData.branchExecuted = 0;
  }
  pCON->executeAsynchPrepare( Commit, T3_Callback_3, td ); 
}

开发者ID:Cona19，项目名称:mysql5.6.24-improve，代码行数:58，代码来源:ndb_async1.cpp

示例2: memcpy

void
T3_Callback_2(int result, NdbConnection * pCON, void * threadData){
  ThreadData * td = (ThreadData *)threadData;
  
  if (result == -1) {
    CHECK_ALLOWED_ERROR("T3-2: execute", td, pCON->getNdbError());
    td->pNDB->closeTransaction(pCON);
    start_T3(td->pNDB, td, stat_async);
    return;
  }//if
  
  Uint32 permission = td->transactionData.permission;
  Uint32 sessions   = td->transactionData.sessions;
  Uint32 server_bit = td->transactionData.server_bit;

  if(((permission & server_bit) == server_bit) &&
     ((sessions   & server_bit) == server_bit)){
    
    memcpy(td->transactionData.suffix,
	   &td->transactionData.number[SFX_START],
	   SUBSCRIBER_NUMBER_SUFFIX_LENGTH);
    DEBUG5("T3(%.*s, %.2d): - Callback 2 - reading(%.*s)", 
	   SUBSCRIBER_NUMBER_LENGTH, 
	   td->transactionData.number, 
	   td->transactionData.server_id,
	   SUBSCRIBER_NUMBER_SUFFIX_LENGTH, 
	   td->transactionData.suffix);
    
    /* Operation 3 */
    NdbOperation * MyOp = pCON->getNdbOperation(SESSION_TABLE);
    CHECK_NULL(MyOp, "T3-3: getNdbOperation", td,
	       pCON->getNdbError());
    
    MyOp->simpleRead();
    MyOp->equal(IND_SESSION_SUBSCRIBER,
		(char*)td->transactionData.number);
    MyOp->equal(IND_SESSION_SERVER,
		(char*)&td->transactionData.server_id);
    MyOp->getValue(IND_SESSION_DATA, 
		   (char *)td->transactionData.session_details);
    
    /* Operation 4 */
    MyOp = pCON->getNdbOperation(SERVER_TABLE);
    CHECK_NULL(MyOp, "T3-4: getNdbOperation", td,
	       pCON->getNdbError());
    
    MyOp->interpretedUpdateTuple();
    MyOp->equal(IND_SERVER_ID,
		(char*)&td->transactionData.server_id);
    MyOp->equal(IND_SERVER_SUBSCRIBER_SUFFIX,
		(char*)td->transactionData.suffix);
    MyOp->incValue(IND_SERVER_READS, (uint32)1);
    td->transactionData.branchExecuted = 1;
  } else {
    DEBUG3("T3(%.*s, %.2d): - Callback 2 - no read",
	   SUBSCRIBER_NUMBER_LENGTH, 
	   td->transactionData.number, 
	   td->transactionData.server_id);
    td->transactionData.branchExecuted = 0;
  }
  if (stat_async == 1) {
    pCON->executeAsynchPrepare( Commit , T3_Callback_3, td);
  } else {
    int result = pCON->execute( Commit );
    T3_Callback_3(result, pCON, (void*)td);
    return;
  }//if
}

开发者ID:4T-Shirt，项目名称:mysql，代码行数:68，代码来源:ndb_async2.cpp

示例3: memcpy

void
T3_Callback_2(int result, NdbConnection * pCON, void * threadData) {
    ThreadData * td = (ThreadData *)threadData;

    if (result == -1) {
        CHECK_ALLOWED_ERROR("T3-2: execute", td, pCON->getNdbError());
        td->pNDB->closeTransaction(pCON);
        start_T3(td->pNDB, td, stat_async);
        return;
    }//if

    Uint32 permission = td->transactionData.permission;
    Uint32 sessions   = td->transactionData.sessions;
    Uint32 server_bit = td->transactionData.server_bit;

    if(((permission & server_bit) == server_bit) &&
            ((sessions   & server_bit) == server_bit)) {

        memcpy(td->transactionData.suffix,
               &td->transactionData.number[SFX_START],
               SUBSCRIBER_NUMBER_SUFFIX_LENGTH);
        DEBUG5("T3(%.*s, %.2d): - Callback 2 - reading(%.*s)",
               SUBSCRIBER_NUMBER_LENGTH,
               td->transactionData.number,
               td->transactionData.server_id,
               SUBSCRIBER_NUMBER_SUFFIX_LENGTH,
               td->transactionData.suffix);

        /* Operations 3 + 4 */
        if (td->ndbRecordSharedData)
        {
            /* Op 3 */
            char* rowPtr= (char*) &td->transactionData;
            const NdbRecord* record= td->ndbRecordSharedData->
                                     sessionTableNdbRecord;
            Uint32 m=0;
            unsigned char* mask= (unsigned char*) &m;

            SET_MASK(mask, IND_SESSION_DATA);

            const NdbOperation* MyOp = pCON->readTuple(record, rowPtr, record, rowPtr,
                                       NdbOperation::LM_SimpleRead,
                                       mask);
            CHECK_NULL((void*) MyOp, "T3-3: readTuple", td,
                       pCON->getNdbError());

            /* Op 4 */
            record= td->ndbRecordSharedData->
                    serverTableNdbRecord;
            m= 0;

            /* Attach interpreted program */
            NdbOperation::OperationOptions opts;
            opts.optionsPresent= NdbOperation::OperationOptions::OO_INTERPRETED;
            opts.interpretedCode= td->ndbRecordSharedData->incrServerReadsProg;

            MyOp= pCON->updateTuple(record, rowPtr, record, rowPtr, mask,
                                    &opts,
                                    sizeof(opts));
            CHECK_NULL((void*) MyOp, "T3-3: updateTuple", td,
                       pCON->getNdbError());
        }
        else
        {
            NdbOperation * MyOp = pCON->getNdbOperation(SESSION_TABLE);
            CHECK_NULL(MyOp, "T3-3: getNdbOperation", td,
                       pCON->getNdbError());

            MyOp->simpleRead();
            MyOp->equal(IND_SESSION_SUBSCRIBER,
                        (char*)td->transactionData.number);
            MyOp->equal(IND_SESSION_SERVER,
                        (char*)&td->transactionData.server_id);
            MyOp->getValue(IND_SESSION_DATA,
                           (char *)td->transactionData.session_details);

            MyOp = pCON->getNdbOperation(SERVER_TABLE);
            CHECK_NULL(MyOp, "T3-4: getNdbOperation", td,
                       pCON->getNdbError());

            MyOp->interpretedUpdateTuple();
            MyOp->equal(IND_SERVER_ID,
                        (char*)&td->transactionData.server_id);
            MyOp->equal(IND_SERVER_SUBSCRIBER_SUFFIX,
                        (char*)td->transactionData.suffix);
            MyOp->incValue(IND_SERVER_READS, (uint32)1);
        }

        td->transactionData.branchExecuted = 1;
    } else {
        DEBUG3("T3(%.*s, %.2d): - Callback 2 - no read",
               SUBSCRIBER_NUMBER_LENGTH,
               td->transactionData.number,
               td->transactionData.server_id);
        td->transactionData.branchExecuted = 0;
    }
    if (stat_async == 1) {
        pCON->executeAsynchPrepare( Commit , T3_Callback_3, td);
    } else {
        int result = pCON->execute( Commit );
//.........这里部分代码省略.........

开发者ID:jimodb，项目名称:codes，代码行数:101，代码来源:ndb_async2.cpp

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