Method setExpire

src/db.cpp:2753–2779

}

void redisDbPersistentData::setExpire(robj *key, robj *subkey, long long when)
{
    /* Reuse the sds from the main dict in the expire dict */
    dictEntry *kde = dictFind(m_pdict,ptrFromObj(key));
    serverAssertWithInfo(NULL,key,kde != NULL);
    trackkey(key, true /* fUpdate */);

    robj *o = (robj*)dictGetVal(kde);
    if (o->getrefcount(std::memory_order_relaxed) == OBJ_SHARED_REFCOUNT)
    {
        // shared objects cannot have the expire bit set, create a real object
        dictSetVal(m_pdict, kde, dupStringObject(o));
        o = (robj*)dictGetVal(kde);
    }

    const char *szSubKey = (subkey != nullptr) ? szFromObj(subkey) : nullptr;
    if (o->FExpires()) {
        o->expire.update(szSubKey, when);
    }
    else
    {
        expireEntry e(szSubKey, when);
        o->expire = std::move(e);
        o->SetFExpires(true);
        ++m_numexpires;
    }
}

void redisDbPersistentData::setExpire(const char *key, expireEntry &&e)
{