Method readUnflatColToFlatTuple

src/processor/result/factorized_table.cpp:686–702

}

void FactorizedTableIterator::readUnflatColToFlatTuple(ft_col_idx_t colIdx, uint8_t* valueBuffer,
    FlatTuple& tuple) {
    auto overflowValue =
        (overflow_value_t*)(valueBuffer + factorizedTable.getTableSchema()->getColOffset(colIdx));
    auto groupID = factorizedTable.getTableSchema()->getColumn(colIdx)->getGroupID();
    auto tupleSizeInOverflowBuffer =
        LogicalTypeUtils::getRowLayoutSize(tuple[colIdx].getDataType());
    valueBuffer = overflowValue->value +
                  tupleSizeInOverflowBuffer * flatTuplePositionsInDataChunk[groupID].first;
    auto isNull = factorizedTable.isOverflowColNull(
        overflowValue->value + tupleSizeInOverflowBuffer * overflowValue->numElements,
        flatTuplePositionsInDataChunk[groupID].first, colIdx);
    tuple[colIdx].setNull(isNull);
    if (!isNull) {
        tuple[colIdx].copyFromRowLayout(valueBuffer);
    }
}

void FactorizedTableIterator::readFlatColToFlatTuple(ft_col_idx_t colIdx, uint8_t* valueBuffer,
    FlatTuple& tuple) {