Method ClearLocator

src/txgraph.cpp:1030–1055

}

void TxGraphImpl::ClearLocator(int level, GraphIndex idx, bool oversized_tx) noexcept
{
    auto& entry = m_entries[idx];
    auto& clusterset = GetClusterSet(level);
    Assume(entry.m_locator[level].IsPresent());
    // Change the locator from Present to Missing or Removed.
    if (level == 0 || !entry.m_locator[level - 1].IsPresent()) {
        entry.m_locator[level].SetMissing();
    } else {
        entry.m_locator[level].SetRemoved();
        clusterset.m_removed.push_back(idx);
    }
    // Update the transaction count.
    --clusterset.m_txcount;
    clusterset.m_txcount_oversized -= oversized_tx;
    // If clearing main, adjust the status of Locators of this transaction in staging, if it exists.
    if (level == 0 && GetTopLevel() == 1) {
        if (entry.m_locator[1].IsRemoved()) {
            entry.m_locator[1].SetMissing();
        } else if (!entry.m_locator[1].IsPresent()) {
            --m_staging_clusterset->m_txcount;
            m_staging_clusterset->m_txcount_oversized -= oversized_tx;
        }
    }
    if (level == 0) ClearChunkData(entry);
}

void GenericClusterImpl::RemoveChunkData(TxGraphImpl& graph) noexcept
{