Method getPage

src/storage/disk_array.cpp:380–392

}

void DiskArrayInternal::WriteIterator::getPage(page_idx_t newPageIdx, bool isNewlyAdded) {
    unpin();
    if (newPageIdx <= diskArray.lastPageOnDisk) {
        // Pin new page
        shadowPageAndFrame = ShadowUtils::createShadowVersionIfNecessaryAndPinPage(newPageIdx,
            isNewlyAdded, diskArray.fileHandle, *diskArray.shadowFile);
    } else {
        shadowPageAndFrame.frame = diskArray.fileHandle.pinPage(newPageIdx,
            isNewlyAdded ? PageReadPolicy::DONT_READ_PAGE : PageReadPolicy::READ_PAGE);
        shadowPageAndFrame.originalPage = newPageIdx;
        shadowPageAndFrame.shadowPage = INVALID_PAGE_IDX;
    }
}

DiskArrayInternal::WriteIterator DiskArrayInternal::iter_mut(uint64_t valueSize) {
    return WriteIterator(valueSize, *this);