gloof11 commented on code in PR #1498:
URL:
https://github.com/apache/incubator-kvrocks/pull/1498#discussion_r1232920527
##########
src/config/config.cc:
##########
@@ -659,6 +659,12 @@ Status Config::parseConfigFromPair(const
std::pair<std::string, std::string> &in
tokens[input.second] = input.first.substr(ns_str_size);
}
auto iter = fields_.find(field_key);
+
+ // Check if a configuration key is a valid key
+ if (iter->second == 0x0) {
Review Comment:
I realized that "iter" after the find operations returns an object of all
possible keys. I summarized that "iter->second" points to the name of the key,
so if you were to pass a key that cannot exist, it would return zero.
Therefore, if it finds a key that doesn't exist, it will return 0x0.
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