uds5501 commented on code in PR #1502:
URL:
https://github.com/apache/incubator-kvrocks/pull/1502#discussion_r1235515491
##########
src/commands/cmd_zset.cc:
##########
@@ -819,6 +819,81 @@ class CommandZMScore : public Commander {
}
};
+class CommandZUnion : public Commander {
+ public:
+ Status Parse(const std::vector<std::string> &args) override {
+ auto parse_result = ParseInt<int>(args[1], 10);
+ if (!parse_result) {
+ return {Status::RedisParseErr, errValueNotInteger};
+ }
+
+ numkeys_ = *parse_result;
+ if (numkeys_ > args.size() - 2) {
+ return {Status::RedisParseErr, errInvalidSyntax};
+ }
+
+ size_t key_iterator = 0;
+ while (key_iterator < numkeys_) {
+ keys_weights_.emplace_back(KeyWeight{args[key_iterator + 2], 1});
+ key_iterator++;
+ }
+
+ size_t option_iterator = 2 + numkeys_;
+ while (option_iterator < args.size()) {
+ if (util::ToLower(args[option_iterator]) == "aggregate" &&
option_iterator + 1 < args.size()) {
+ if (util::ToLower(args[option_iterator + 1]) == "sum") {
+ aggregate_method_ = kAggregateSum;
+ } else if (util::ToLower(args[option_iterator + 1]) == "min") {
+ aggregate_method_ = kAggregateMin;
+ } else if (util::ToLower(args[option_iterator + 1]) == "max") {
+ aggregate_method_ = kAggregateMax;
+ } else {
+ return {Status::RedisParseErr, "aggregate param error"};
+ }
+ option_iterator += 2;
+ } else if (util::ToLower(args[option_iterator]) == "weights" &&
option_iterator + numkeys_ < args.size()) {
+ size_t k = 0;
+ while (k < numkeys_) {
+ auto weight = ParseFloat(args[option_iterator + k + 1]);
+ if (!weight || std::isnan(*weight)) {
+ return {Status::RedisParseErr, "weight is not a double or out of
range"};
+ }
+ keys_weights_[k].weight = *weight;
+ k++;
+ }
+ option_iterator += numkeys_ + 1;
+ } else if (util::ToLower(args[option_iterator]) == "withscores") {
+ with_scores_ = true;
Review Comment:
Incorporated this change, thanks
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