size_t DRTupleStream::computeOffsets(DRRecordType &type,
const std::pair<const TableIndex*, uint32_t> &indexPair,
TableTuple &tuple,
size_t &rowHeaderSz,
size_t &rowMetadataSz,
const std::vector<int> *&interestingColumns) {
interestingColumns = NULL;
rowMetadataSz = sizeof(int32_t);
int columnCount;
switch (type) {
case DR_RECORD_DELETE:
case DR_RECORD_UPDATE:
if (indexPair.first) {
// The index-optimized versions of these types have values exactly
// 5 larger than the unoptimized versions (asserted in test)
// DR_RECORD_DELETE => DR_RECORD_DELETE_BY_INDEX
// DR_RECORD_UPDATE => DR_RECORD_UPDATE_BY_INDEX
type = static_cast<DRRecordType>((int)type + 5);
interestingColumns = &(indexPair.first->getColumnIndices());
rowMetadataSz += sizeof(int32_t);
columnCount = static_cast<int>(interestingColumns->size());
} else {
columnCount = tuple.sizeInValues();
}
break;
default:
columnCount = tuple.sizeInValues();
break;
}
int nullMaskLength = ((columnCount + 7) & -8) >> 3;
rowHeaderSz = rowMetadataSz + nullMaskLength;
return rowHeaderSz + tuple.maxDRSerializationSize(interestingColumns);
}
size_t CompatibleDRTupleStream::computeOffsets(DRRecordType &type,
TableTuple &tuple,
size_t &rowHeaderSz,
size_t &rowMetadataSz) {
rowMetadataSz = sizeof(int32_t);
int columnCount;
switch (type) {
case DR_RECORD_DELETE:
case DR_RECORD_UPDATE:
columnCount = tuple.sizeInValues();
break;
default:
columnCount = tuple.sizeInValues();
break;
}
int nullMaskLength = ((columnCount + 7) & -8) >> 3;
rowHeaderSz = rowMetadataSz + nullMaskLength;
return rowHeaderSz + tuple.maxDRSerializationSize();
}