Method scanNext

src/storage/table/rel_table.cpp:122–149

}

bool RelTableScanState::scanNext(Transaction* transaction) {
    while (true) {
        switch (source) {
        case TableScanSource::COMMITTED: {
            const auto scanResult = nodeGroup->scan(transaction, *this);
            if (scanResult == NODE_GROUP_SCAN_EMPTY_RESULT) {
                if (hasUnCommittedData()) {
                    initStateForUncommitted();
                } else {
                    source = TableScanSource::NONE;
                }
                continue;
            }
            return true;
        }
        case TableScanSource::UNCOMMITTED: {
            DASSERT(localTableScanState && localTableScanState->localRelTable);
            return localTableScanState->localRelTable->scan(transaction, *this);
        }
        case TableScanSource::NONE: {
            return false;
        }
        default: {
            UNREACHABLE_CODE;
        }
        }
    }
}

void RelTableScanState::setNodeIDVectorToFlat(sel_t selPos) const {
    nodeIDVector->state->setToFlat();