void NValue::deserializeIntoANewNValueList(SerializeInputBE &input, Pool *dataPool) { ValueType elementType = (ValueType)input.readByte(); size_t length = input.readShort(); int trueSize = NValueList::allocationSizeForLength(length); char* storage = allocateValueStorage(trueSize, dataPool); ::memset(storage, 0, trueSize); NValueList* nvset = new (storage) NValueList(length, elementType); nvset->deserializeNValues(input, dataPool); //TODO: An O(ln(length)) implementation vs. the current O(length) implementation of NValue::inList // would likely require some kind of sorting/re-org of values at this point post-update pre-lookup. }
void Table::loadTuplesFrom(SerializeInputBE &serialInput, Pool *stringPool, ReferenceSerializeOutput *uniqueViolationOutput, bool shouldDRStreamRow) { /* * directly receives a VoltTable buffer. * [00 01] [02 03] [04 .. 0x] * rowstart colcount colcount * 1 byte (column types) * * [0x+1 .. 0y] * colcount * strings (column names) * * [0y+1 0y+2 0y+3 0y+4] * rowcount * * [0y+5 .. end] * rowdata */ // todo: just skip ahead to this position serialInput.readInt(); // rowstart serialInput.readByte(); int16_t colcount = serialInput.readShort(); assert(colcount >= 0); // Store the following information so that we can provide them to the user // on failure ValueType types[colcount]; boost::scoped_array<std::string> names(new std::string[colcount]); // skip the column types for (int i = 0; i < colcount; ++i) { types[i] = (ValueType) serialInput.readEnumInSingleByte(); } // skip the column names for (int i = 0; i < colcount; ++i) { names[i] = serialInput.readTextString(); } // Check if the column count matches what the temp table is expecting int16_t expectedColumnCount = static_cast<int16_t>(m_schema->columnCount() + m_schema->hiddenColumnCount()); if (colcount != expectedColumnCount) { std::stringstream message(std::stringstream::in | std::stringstream::out); message << "Column count mismatch. Expecting " << expectedColumnCount << ", but " << colcount << " given" << std::endl; message << "Expecting the following columns:" << std::endl; message << debug() << std::endl; message << "The following columns are given:" << std::endl; for (int i = 0; i < colcount; i++) { message << "column " << i << ": " << names[i] << ", type = " << getTypeName(types[i]) << std::endl; } throw SerializableEEException(VOLT_EE_EXCEPTION_TYPE_EEEXCEPTION, message.str().c_str()); } loadTuplesFromNoHeader(serialInput, stringPool, uniqueViolationOutput, shouldDRStreamRow); }