Method removeCachedValue

src/db.cpp:3100–3126

}

bool redisDbPersistentData::removeCachedValue(const char *key, dictEntry **ppde)
{
    serverAssert(m_spstorage != nullptr);
    // First ensure its not a pending key
    if (m_spstorage != nullptr)
        m_spstorage->batch_lock();
    
    dictEntry *de = dictFind(m_dictChanged, key);
    if (de != nullptr)
    {
        if (m_spstorage != nullptr)
            m_spstorage->batch_unlock();
        return false; // can't evict
    }

    // since we write ASAP the database already has a valid copy so safe to delete
    if (ppde != nullptr) {
        *ppde = dictUnlink(m_pdict, key);
    } else {
        dictDelete(m_pdict, key);
    }

    if (m_spstorage != nullptr)
        m_spstorage->batch_unlock();
    
    return true;
}

redisDbPersistentData::redisDbPersistentData() {
    m_dictChanged = dictCreate(&dictChangeDescType, nullptr);