C++ NADELETEBASIC函数代码示例

ExControlEntry::~ExControlEntry()
{
  NADELETEBASIC(sqlText_, heap_);
  for (Int32 i = 0; i < this->getNumValues(); i++)
      NADELETEBASIC(this->getValue(i+1), heap_) ;
      
}

NABoolean  ExSequenceTcb::removeOLAPBuffer()
{

  if (lastOLAPBuffer_ == NULL || firstOLAPBuffer_ == NULL)
  {
    // LCOV_EXCL_START
    return FALSE;
    // LCOV_EXCL_STOP
  }

  if (lastOLAPBuffer_ == firstOLAPBuffer_)
  {
   // LCOV_EXCL_START
   // since we keep a minimum number of buffers this code won't be visited
   // this code should not be removed. if we decide to not keep a min number 
   // of buffers in the list it will be used
    NADELETEBASIC( lastOLAPBuffer_ ,heap_);
    numberOfOLAPBuffers_ = 0;
    maxNumberHistoryRows_ = myTdb().maxHistoryRows_;
    lastOLAPBuffer_ = NULL;
    firstOLAPBuffer_ = NULL;
    return TRUE;
    // LCOV_EXCL_STOP
  }

  HashBuffer * tmpBuf = lastOLAPBuffer_;
  lastOLAPBuffer_ = lastOLAPBuffer_->getPrev();
  NADELETEBASIC( tmpBuf ,heap_);
  lastOLAPBuffer_->setNext(NULL);
  numberOfOLAPBuffers_ --;
  maxNumberHistoryRows_ = numberOfOLAPBuffers_ * maxRowsInOLAPBuffer_;
  return TRUE;
}

NARoutine::~NARoutine()
{
  // Call deepDelete() on NAColumnArray's.  
  // The destructor does not do this.
  inParams_->deepDelete();
  outParams_->deepDelete();
  delete inParams_;
  delete outParams_;
  delete params_;    // Do not do a deepDelete() on params_ the
                     // elements are shared with in|outParams_.
  delete extRoutineName_;
  delete extActionName_;
  delete intActionName_;
  uecValues_.clear(); // delete all its elements.  
  if (passThruData_ NEQ NULL)
  {
    for (Int32 i = 0; i < passThruDataNumEntries_; i++)
      NADELETEBASIC(passThruData_[i], heap_); // Can't use NADELETEARRAY on C types.
    NADELETEBASIC(passThruData_, heap_);      // Can't use NADELETEARRAY on C types.
  }
  if (passThruDataSize_ NEQ NULL) // Use NADELETEARRAY for any 'new(heap)<class>[<size>]'
    NADELETEARRAY(passThruDataSize_, (UInt32)passThruDataNumEntries_, Int64, heap_);

  if (privInfo_)
   NADELETE(privInfo_, PrivMgrUserPrivs, heap_);
}

AQRStatementAttributes::~AQRStatementAttributes()
{
  if (uniqueStmtId_)
    NADELETEBASIC(uniqueStmtId_,heap_);
  if (parentQID_)
    NADELETEBASIC(parentQID_,heap_);
}

ExExeUtilTcb::~ExExeUtilTcb()
{
  delete qparent_.up;
  delete qparent_.down;
  if (workAtp_)
    {
      workAtp_->release();
      deallocateAtp(workAtp_, getGlobals()->getSpace());
      workAtp_ = NULL;
    }
  freeResources();

  if (extractedPartsObj_)
    {
      delete extractedPartsObj_;
      extractedPartsObj_ = NULL;
    }
  if (explQuery_)
    NADELETEBASIC(explQuery_, getHeap());
  if (childQueryId_ != NULL)
  {
    NADELETEBASIC(childQueryId_, getHeap());
    childQueryId_ = NULL;
    childQueryIdLen_ = 0;
  }
  if (outputBuf_ != NULL)
  {
    NADELETEBASIC(outputBuf_, getHeap());
    outputBuf_ = NULL;
    outputBuf_ = 0;
  }

};

LmResult LmRoutineCppObj::dealloc(ComDiagsArea *diagsArea)
{
  LmResult result = LM_OK;

  delete invocationInfo_;
  invocationInfo_ = NULL;

  for (CollIndex i=0; i<planInfos_.getUsedLength(); i++)
    if (planInfos_.used(i))
      delete planInfos_[i];
  planInfos_.clear();

  if (paramRow_)
    {
      NADELETEBASIC(paramRow_, collHeap());
      paramRow_ = NULL;
    }

  if (inputRows_)
    {
      for (int i=0; i<numInputTables_; i++)
        if (inputRows_[i])
          NADELETEBASIC((inputRows_[i]), collHeap());
      NADELETEBASIC(inputRows_, collHeap());
      inputRows_ = NULL;
    }
  if (outputRow_)
    {
      // actually allocated buffer started where the wall starts
      NADELETEBASIC((outputRow_ - WALL_STRING_LEN), collHeap());
      outputRow_ = NULL;
    }

  try
    {
      // delete the interface object, the virtual destructor may call user code
      delete interfaceObj_;
    }
  catch (tmudr::UDRException e)
    {
      *diagsArea << DgSqlCode(-LME_UDR_METHOD_ERROR)
                 << DgString0("destructor")
                 << DgString1(getNameForDiags())
                 << DgString2(e.getMessage().c_str());
      result = LM_ERR;
    }
  catch (...)
    {
      *diagsArea << DgSqlCode(-LME_UDR_METHOD_ERROR)
                 << DgString0("destructor")
                 << DgString1(getNameForDiags())
                 << DgString2("General exception.");
      result = LM_ERR;
    }

  interfaceObj_ = NULL;

  return result;
}

hive_column_desc::~hive_column_desc()
{
  CollHeap *h = CmpCommon::contextHeap();
  if (name_)
    NADELETEBASIC(name_, h);
  if (type_)
    NADELETEBASIC(type_, h);
}

void CmpMessageRequest::destroyMe()
{
   NADELETEBASIC(data_, getHeap());
   if (allocated_ && parentQid_ != NULL)
   {
     NADELETEBASIC(parentQid_, getHeap());
     parentQid_ = NULL;
     parentQidLen_ = 0;
   }
} 

ExPCMgr::~ExPCMgr()
{
  if (buckets_ != NULL)
    NADELETEBASIC(buckets_, space_);
  buckets_ = NULL;

  if (entries_ != NULL)
    NADELETEBASIC(entries_, space_);
  entries_ = NULL;
}

void NAColumn::deepDelete()
{
  if(defaultValue_)
  NADELETEBASIC(defaultValue_,heap_);
  if(heading_)
  NADELETEBASIC(heading_,heap_);
  delete type_;
  delete isNotNullNondroppable_;
  if (computedColumnExpression_)
    NADELETEBASIC(computedColumnExpression_,heap_);
}

void HdfsClient::deleteHdfsFileInfo()
{
   for (int i = 0; i < numFiles_ ; i ++) {
      NADELETEBASIC(hdfsFileInfo_[i].mName, getHeap());
      NADELETEBASIC(hdfsFileInfo_[i].mOwner, getHeap());
      NADELETEBASIC(hdfsFileInfo_[i].mGroup, getHeap());
   }
   if (hdfsFileInfo_ != NULL)
      NADELETEBASICARRAY(hdfsFileInfo_, getHeap()); 
   numFiles_ = 0;
   hdfsFileInfo_ = NULL;
}

LmRoutineJava::~LmRoutineJava()
{
  JNIEnv *jni = (JNIEnv*)getLM()->jniEnv_;
  jvalue *jval = (jvalue*)javaParams_;

  // Free LmResultSet objects
  // This will also close the Java result set objects
  // and the Java connections that they are part of.
  cleanupResultSets();

  // Free LmConnection objects for default connections
  // Closes any open default connections that do not have 
  // result sets associated with them
  closeDefConnWithNoRS();

  connectionList_.clear();
    
  // Release array refs for params, indicated
  // by non-null object.
  for (Int32 i = 0; i < (Int32)numParamsInSig_; i++)
  {
    if (jval[i].l != NULL)
      jni->DeleteLocalRef(jval[i].l);
  }

  // Free the Java parameter array
  if (javaParams_)
    NADELETEBASIC((jvalue *)javaParams_, collHeap());
}

void ProcessEnv::resetEnv(const char* envName)
{
  if (!envName)
    return;

  Int32 i;
  size_t nameLen=strlen(envName);
  CollHeap *stmtHeap = CmpCommon::statementHeap();
  NAList<Int32> deleteArray(stmtHeap, 16);  // 16 should be more than enough

  // find the env in existing env array
  for (i=0; i < envs_.getSize(); i++)
  {
    if (envs_.used(i))
    {
      char* pTemp = strchr(envs_[i], '=');
      if (pTemp) // found '='
        {
          Int32 envLen = (Int32)(pTemp - envs_[i]);
          if (envLen == nameLen && strncmp(envName, envs_[i], nameLen) == 0 )
            {  // found matching env var name
              *(pTemp) = '\0';
              PUTENV(envs_[i]);
              NADELETEBASIC(envs_[i], heap_);
              deleteArray.insert(i);
            }
        }
    }
  }

  // remove from the env array
  for (Int32 j = 0; j < deleteArray.entries(); j++) {
    envs_.remove(deleteArray[j]);
  }
}

ex_expr::exp_return_type ExExeUtilTcb::evalScanExpr(char * ptr, Lng32 len,
                                                    NABoolean copyToVCbuf)
{
  ex_expr::exp_return_type exprRetCode = ex_expr::EXPR_OK;

  if (exeUtilTdb().scanExpr_)
    {
      ex_queue_entry * pentry_down = qparent_.down->getHeadEntry();

      char * exprPtr = ptr;
      if (copyToVCbuf)
        {
          exprPtr = new(getGlobals()->getDefaultHeap())
            char[SQL_VARCHAR_HDR_SIZE + len];
          short shortLen = (short)len;
          str_cpy_all((char*)exprPtr, (char*)&shortLen, SQL_VARCHAR_HDR_SIZE);
          str_cpy_all(&exprPtr[SQL_VARCHAR_HDR_SIZE], ptr, shortLen);
        }

      workAtp_->getTupp(exeUtilTdb().workAtpIndex())
	.setDataPointer(exprPtr);

      exprRetCode =
	exeUtilTdb().scanExpr_->eval(pentry_down->getAtp(), workAtp_);

      if (exprPtr != ptr)
        NADELETEBASIC(exprPtr, getGlobals()->getDefaultHeap());
    }

  return exprRetCode;
}

HdfsClient::~HdfsClient()
{
   QRLogger::log(CAT_SQL_HDFS, LL_DEBUG, "HdfsClient::~HdfsClient() called.");
   deleteHdfsFileInfo();
   if (path_ != NULL) 
      NADELETEBASIC(path_, getHeap());
}