Method getNext

src/processor/result/factorized_table.cpp:653–672

}

void FactorizedTableIterator::getNext(FlatTuple& tuple) {
    // Go to the next tuple if we have iterated all the flat tuples of the current tuple.
    if (nextFlatTupleIdx >= numFlatTuples) {
        currentTupleBuffer = factorizedTable.getTuple(nextTupleIdx);
        numFlatTuples = factorizedTable.getNumFlatTuples(nextTupleIdx);
        nextFlatTupleIdx = 0;
        updateNumElementsInDataChunk();
        nextTupleIdx++;
    }
    for (auto i = 0ul; i < factorizedTable.getTableSchema()->getNumColumns(); i++) {
        auto column = factorizedTable.getTableSchema()->getColumn(i);
        if (column->isFlat()) {
            readFlatColToFlatTuple(i, currentTupleBuffer, tuple);
        } else {
            readUnflatColToFlatTuple(i, currentTupleBuffer, tuple);
        }
    }
    updateFlatTuplePositionsInDataChunk();
    nextFlatTupleIdx++;
}

void FactorizedTableIterator::resetState() {
    numFlatTuples = 0;