Method updateValue

src/db.cpp:2799–2803

}

void redisDbPersistentData::updateValue(dict_iter itr, robj *val)
{
    trackkey(itr.key(), true /* fUpdate */);
    dictSetVal(m_pdict, itr.de, val);
}

void redisDbPersistentData::ensure(const char *key)
{