Method SetRange

tools/pika_migrate/src/cache/src/string.cc:280–297

}

Status RedisCache::SetRange(std::string& key, int64_t start, std::string &value) {
  if (C_OK != RcFreeMemoryIfNeeded(cache_)) {
    return Status::Corruption("[error] Free memory faild !");
  }

  uint64_t ret = 0;
  robj *kobj = createObject(OBJ_STRING, sdsnewlen(key.data(), key.size()));
  robj *vobj = createObject(OBJ_STRING, sdsnewlen(value.data(), value.size()));
  DEFER {
    DecrObjectsRefCount(kobj, vobj);
  };
  int res = RcSetRange(cache_, kobj, start, vobj, reinterpret_cast<unsigned long *>(&ret));
  if (C_OK != res) {
    return Status::Corruption("SetRange failed!");
  }

  return Status::OK();
}

Status RedisCache::Strlen(std::string& key, int32_t *len) {
  robj *kobj = createObject(OBJ_STRING, sdsnewlen(key.data(), key.size()));