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Aggregation Operation
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for(uint64_t i = 0; i < range; ++i)
{
LogEntryHandle handle = objectMap.lookup(tableId, i);
const Object* obj = handle->userData<Object>();
int *p;
p = (int*) obj->data;
sum += (uint64_t)*p;
}
|
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/**
* Aggregation Callback
*/
void
aggregateCallback(LogEntryHandle handle, uint8_t type,
void *cookie)
{
const Object* obj = handle->userData<Object>();
MasterServer *server = reinterpret_cast<MasterServer*>(cookie);
int *p;
p = (int*) obj->data;
server->sum += (uint64_t)*p;
}
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...