fix SETEX replication does not work

Author: YuCai18

src/pika_kv.cc

@@ -887,7 +887,7 @@ std::string SetexCmd::ToRedisProtocol() {
   RedisAppendContent(content, key_);
   // time_stamp
   char buf[100];
-  auto time_stamp = time(nullptr) + ttl_sec_;
+  int64_t time_stamp  = static_cast<int64_t>(::time(nullptr)) + ttl_sec_;
   pstd::ll2string(buf, 100, time_stamp);
   std::string at(buf);
   RedisAppendLenUint64(content, at.size(), "$");
@@ -945,8 +945,9 @@ std::string PsetexCmd::ToRedisProtocol() {
   RedisAppendLenUint64(content, key_.size(), "$");
   RedisAppendContent(content, key_);
   // time_stamp
+  int64_t expire_at_ms = pstd::NowMillis() + ttl_millsec;
+  int64_t time_stamp = expire_at_ms / 1000;
   char buf[100];
-  auto time_stamp = pstd::NowMillis() + ttl_millsec;
   pstd::ll2string(buf, 100, time_stamp);
   std::string at(buf);
   RedisAppendLenUint64(content, at.size(), "$");