mapleFU commented on code in PR #1888:
URL: https://github.com/apache/kvrocks/pull/1888#discussion_r1396667583
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src/types/redis_bloom_chain.cc:
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@@ -51,11 +51,13 @@ rocksdb::Status BloomChain::getBFDataList(const
std::vector<std::string> &bf_key
read_options.snapshot = ss.GetSnapShot();
bf_data_list->reserve(bf_key_list.size());
- for (const auto &bf_key : bf_key_list) {
- std::string bf_data;
- rocksdb::Status s = storage_->Get(read_options, bf_key, &bf_data);
+ rocksdb::PinnableSlice pin_value;
+ for (int i = 0; i < bf_key_list.size(); ++i) {
+ auto &bf_key = bf_key_list[i];
+ rocksdb::Status s = storage_->Get(read_options,
storage_->GetDB()->DefaultColumnFamily(), bf_key, &pin_value);
if (!s.ok()) return s;
- bf_data_list->push_back(std::move(bf_data));
+ bf_data_list->emplace_back(pin_value.ToString());
+ pin_value.Reset();
Review Comment:
Yes and no, changing `std::vector<std::string>` to `std::vector<Slice>`
might suffer from lifetime problem, we need to change it to
`std::vector<PinnableSlice>`
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