[GitHub] [kvrocks] PragmaTwice commented on a diff in pull request #1565: Add the support of the HRANDFIELD command

["PragmaTwice (via GitHub)" <gi...@apache.org>]

PragmaTwice commented on code in PR #1565:
URL: https://github.com/apache/kvrocks/pull/1565#discussion_r1257277273


##########
src/commands/cmd_hash.cc:
##########
@@ -376,6 +376,52 @@ class CommandHScan : public CommandSubkeyScanBase {
     return Status::OK();
   }
 };
+class CommandHRandField : public Commander {
+ public:
+  Status Parse(const std::vector<std::string> &args) override {
+    if (args.size() >= 3) {
+      auto parse_result = ParseInt<int64_t>(args[2], 10);
+      if (!parse_result) {
+        return {Status::RedisParseErr, errValueNotInteger};
+      }
+      if (*parse_result >= 0) {
+        count_ = *parse_result;
+      } else {
+        count_ = -*parse_result;
+        uniq_ = false;
+      }
+      //如果有withvalue这个参数，就一定有前面的count

Review Comment:
   Please comment in English :)



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