fix: ensure ZADD keeps the last score for duplicate members in a single command to align with Redis behavior

CMakeLists.txt

@@ -458,9 +458,9 @@ set(LZ4_INCLUDE_DIR ${INSTALL_INCLUDEDIR})
 ExternalProject_Add(zlib
   DEPENDS
   URL
-  https://github.com/madler/zlib/releases/download/v1.2.13/zlib-1.2.13.tar.gz
+  https://github.com/madler/zlib/releases/download/v1.3.1/zlib-1.3.1.tar.gz 
   URL_HASH
-  MD5=9b8aa094c4e5765dabf4da391f00d15c
+  MD5=9855b6d802d7fe5b7bd5b196a2271655
   DOWNLOAD_NO_PROGRESS
   1
   UPDATE_COMMAND

src/pika_admin.cc

@@ -46,11 +46,11 @@ static std::string ConstructPinginPubSubResp(const PikaCmdArgsType& argv) {
 }
 
 static double MethodofCommandStatistics(const uint64_t time_consuming, const uint64_t frequency) {
-  return (static_cast<double>(time_consuming) / 1000.0) / static_cast<double>(frequency);
+  return static_cast<double>(time_consuming) / static_cast<double>(frequency);
 }
 
 static double MethodofTotalTimeCalculation(const uint64_t time_consuming) {
-  return static_cast<double>(time_consuming) / 1000.0;
+  return static_cast<double>(time_consuming);
 }
 
 enum AuthResult {

src/storage/src/redis_zsets.cc

@@ -183,13 +183,17 @@ Status Redis::ZAdd(const Slice& key, const std::vector<ScoreMember>& score_membe
   *ret = 0;
   uint32_t statistic = 0;
   std::unordered_set<std::string> unique;
-  std::vector<ScoreMember> filtered_score_members;
-  for (const auto& sm : score_members) {
-    if (unique.find(sm.member) == unique.end()) {
-      unique.insert(sm.member);
-      filtered_score_members.push_back(sm);
+  std::list<storage::ScoreMember> mid_score_members;
+  for (auto it = score_members.rbegin(); it != score_members.rend(); ++it) {
+    if (unique.find(it->member) == unique.end()) {
+      unique.insert(it->member);
+      mid_score_members.push_front(*it);
     }
   }
+  std::vector<ScoreMember> filtered_score_members;
+  for (auto &item : mid_score_members) {
+    filtered_score_members.push_back(std::move(item));
+  }
 
   char score_buf[8];
   uint64_t version = 0;