Method erase

src/StorageCache.cpp:85–115

}

bool StorageCache::erase(sds key)
{
    unsigned long long when = 0;
    m_spstorage->retrieve(key, sdslen(key), [&when](const char *, size_t, const void * data, size_t cbdata) {
        auto e = deserializeExpire((const char *)data, cbdata, nullptr);
        if (e != nullptr)
            when = e->when();
    });
    bool result = m_spstorage->erase(key, sdslen(key));
    std::unique_lock<fastlock> ul(m_lock);
    if (result)
    {
        if (m_pdict != nullptr)
        {
            uint64_t hash = dictSdsHash(key);
            dictEntry *de = dictFind(m_pdict, reinterpret_cast<void*>(hash));
            serverAssert(de != nullptr);
            de->v.s64--;
            serverAssert(de->v.s64 >= 0);
            if (de->v.s64 == 0) {
                dictDelete(m_pdict, reinterpret_cast<void*>(hash));
            } else {
                m_collisionCount--;
            }
        }
        if (when != 0) {
            m_spstorage->removeExpire(key, sdslen(key), when);
        }
    }
    return result;
}

void StorageCache::insert(sds key, const void *data, size_t cbdata, bool fOverwrite)
{